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Essay on Biodiversity

Biodiversity is a term made up of two words - Bio meaning Life, and Diversity meaning Variety. The term biodiversity refers to the variety of life on Earth. Plants, animals, microbes, and fungi are all examples of living species on the planet.

Types of Biodiversity  

Genetic Biodiversity- Genetic diversity is the variation in genes and genotypes within a species, e.g., every human looks different from the other. 

Species Biodiversity- Species Diversity is the variety of species within a habitat or a region. It is the biodiversity observed within a community.

Ecosystem Biodiversity- Ecological biodiversity refers to the variations in the plant and animal species living together and connected by food chains and food webs.

Importance of Biodiversity 

Biodiversity is an integral part of cultural identity. Human cultures co-evolve with their environment and conservation is a priority for cultural identity. Biodiversity is used for Medicinal purposes.

Many plants and animals are used for medicinal purposes, like vitamins and painkillers. It contributes to climate stability. It helps in controlling the effects of climate change and managing greenhouse gases. 

Biodiversity provides more food resources. It supplies many vital ecosystems, such as creating and maintaining soil quality, controlling pests, and providing habitat for wildlife. Biodiversity has a relationship with Industry. Biological sources provide many Industrial materials including rubber, cotton, leather, food, paper, etc.

There are many economic benefits of Biodiversity. Biodiversity also helps in controlling pollution. Biodiversity helps in forming a healthy ecosystem. Biodiversity also acts as a source of recreation. Along with other factors, biodiversity helps in improving soil quality.

Long Essay on Biodiversity 

There are many economic benefits of Biodiversity. Biodiversity is a source of economic wealth for many regions of the world. Biodiversity facilitates Tourism and the Recreational industry. Natural Reserves and National Parks benefit a lot from it. Forest, wildlife, biosphere reserve, sanctuaries are prime spots for ecotourism, photography, painting, filmmaking, and literary works.

Biodiversity plays a vital role in the maintenance of the gaseous composition of the atmosphere, breakdown of waste material, and removal of pollutants.

Conservation of Biodiversity  

Biodiversity is very important for human existence as all life forms are interlinked with each other and one single disturbance can have multiple effects on another. If we fail to protect our biodiversity, we can endanger our plants, animals, and environment, as well as human life. Therefore, it is necessary to protect our biodiversity at all costs. Conservation of Biodiversity can be done by educating the people to adopt more environment-friendly methods and activities and develop a more harmonious and empathetic nature towards the environment. The involvement and cooperation of communities are very important. The process of continuous protection of Biodiversity is the need of the hour.

The Government of India, along with 155 other nations, has signed the convention of Biodiversity at the Earth Summit to protect it. According to the summit, efforts should be made in preserving endangered species. 

The preservation and proper management methods for wildlife should be made. Food crops, animals, and plants should be preserved. Usage of various food crops should be kept at a minimum. Every country must realize the importance of protecting the ecosystem and safeguarding the habitat. 

The Government of India has launched the Wild Life Protection Act 1972 to protect, preserve, and propagate a variety of species. The Government has also launched a scheme to protect national parks and sanctuaries. There are 12 countries - Mexico, Columbia, Peru, Brasil, Ecuador, Democratic Republic of Congo, Madagascar, India, China, Malaysia, Indonesia, and Australia, in which Mega Diversity Centres are located. These countries are tropical and they possess a large number of the world’s species.

Various hotspots have been made to protect the vegetation. There are various methods for conserving biodiversity. 

If biodiversity conservation is not done efficiently, each species would eventually become extinct due to a lack of appetite and hunger. This scenario has been a big issue for the last few decades, and many unique species have already become extinct. As a result of a lack of biodiversity protection, several species are still on the verge of extinction.

FAQs on Biodiversity Essay

1. What are the three types of Biodiversity?

Biodiversity is referred to as the variability that exists between the living organisms from different sources of nature, such as terrestrial, marine, and other aquatic ecosystems. Biodiversity has three levels, which are genetic, species, and ecosystem diversity. This is also considered as the type of ecosystem.

2. What is Biodiversity and why is it important?

Biodiversity is responsible for boosting the productivity of the ecosystems in which every species, no matter how small, has an important role to play. For example, a greater variety of crops can be obtained from a plant species which is in large numbers. If species diversity is in a greater amount, then it ensures natural sustainability for all life forms.

3. What is the connection between Biodiversity and the Food Chain?

If a single species goes extinct from the food chain, it will have an impact on the species that survive on it, putting them on the verge of extinction.

4. How are human beings affecting biodiversity?

Pollution- Pollution not only affects human beings, but also affects our flora and fauna, and we should control the pollution to conserve our biodiversity.

Population- Population control is a must to maintain a balance in our ecological system. Humans contribute to pollution by bursting crackers and by not following all the traffic rules.

5. How does Deforestation affect biodiversity?

Deforestation- Trees are very important for survival. They help in balancing out the ecosystem. Deforestation leads to the destruction of habitat. Deforestation should be stopped to protect our animals and plants. Deforestation not only removes vegetation that is important for removing carbon dioxide from the atmosphere, but it also emits greenhouse gases.

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Biodiversity Essay

Broadly speaking, biodiversity, also known as biological diversity, refers to various types of plants and animals on Earth. The process of continuous biodiversity conservation is essential right now. A greater level of biodiversity is necessary to maintain the harmony of the natural environment. Here are a few sample essays on biodiversity.

100 Words Essay On Biodiversity

200 words essay on biodiversity, 500 words essay on biodiversity.

The term "biodiversity" is used to describe the variety of plants, animals, and other species found in an environment. All of them have a significant impact on preserving the planet's healthy ecosystem. In order to sustain the health of the ecosystem and human life, it is critical to maintain a high degree of biodiversity.

However, maintaining biodiversity is getting more challenging due to the increasing air, water, and land pollution on our planet. A number of plant and animal species have gone extinct as a result of the quick environmental changes brought on by the aforementioned causes of biodiversity loss.

By encouraging individuals to adopt more environmentally friendly behaviours and practises and to build a more peaceful and sympathetic relationship with the environment, it is possible to preserve biodiversity.

‘Bio’, which stands for life, and ‘diversity’, which means variety, make up the phrase "biodiversity." The diversity of life on Earth is referred to as biodiversity. Living species include all types of plants, animals, microorganisms, and fungus.

Benefits Of Biodiversity

Community engagement to protect biodiversity is crucial. Biodiversity has several economic advantages.

Many parts of the world benefit economically from biodiversity. The tourism and recreation industries are facilitated by biodiversity. National Parks and Natural Reserves gain a lot from it.

The best locations for ecotourism, photography, art, cinematography, and literary works are in forests, animal reserves, and sanctuaries.

Biodiversity is essential for maintaining the gaseous composition of the atmosphere, breaking down waste, and removing contaminants.

Biodiversity helps in improving soil quality.

Types Of Biodiversity

Genetic Biodiversity | Genetic diversity refers to the variance in genes and genotypes within a species, such as how each individual human differs from the others in appearance.

Species Biodiversity | The variety of species found in a habitat or an area is known as species diversity. It is the diversity of life that is seen in a community. Ecosystem Biodiversity | The diversity of plant and animal species that coexist and are linked by food webs and food chains is referred to as ecological biodiversity.

The biological diversity of many plants and animals is essential to everything. However, biodiversity is declining daily for a number of causes. Our planet could no longer be a place to live if it doesn't stop. Thus, several strategies help in boosting the earth's biodiversity. The three main threats to biodiversity today are habitat loss, hunting, and poaching. At an alarming rate, humans are destroying forests, grasslands, reefs and other natural areas.

Hundreds of species that live in these habitats are therefore vanishing every year. Due to population decline caused by illegal hunting and poaching, several species are put under even more stress.

Importance Of Biodiversity

Maintaining biodiversity is crucial for the health of the ecological system. Many species of plants and animals are dependent on each other. As a result, if one becomes extinct, the others will begin to become vulnerable. Additionally, as both plants and animals are necessary for human existence, it is crucial for us as well. For instance, in order to exist, humans require food, which we obtain from plants. We cannot produce any crops if the soil does not provide a conducive climate. As a result, we won't be able to live sustainably on this planet.

Biodiversity in both flora and fauna is essential today. Therefore, to prevent the decrease in species in danger, we need to implement a number of interventions. Furthermore, vehicle pollution should decrease. So that both humans and animals can get fresh air to breathe. Moreover, it will also decrease global warming which is the major cause of the extinction of the species.

How To Preserve Biodiversity

The basic goal of biodiversity conservation is to protect life on earth, all species, the ecosystem, and a healthy environment for all time so that it will continue to be healthy for future generations. The maintenance of the food chain, the provision of a healthy habitat for many animals, including people, and the promotion of our sustainable development all depend heavily on biodiversity conservation.

Here are some ways you can preserve biodiversity:

Set Up Gardens | The simplest approach to increase biodiversity is to build gardens inside of homes. In the yard or even on the balcony, you may grow a variety of plants. Additionally, this would contribute to bringing in more fresh air within the house.

Plant Local Flowers, Fruits And Vegetables | Plant a variety in your backyard or a hanging garden using the native plants, fruits, and vegetables of your region. Nurseries are excellent places to learn about caring for and preserving plants.

3 R’s | Reduce your consumption, reuse what you can, recycle before throwing away.

Since humans consume the majority of biodiversity resources, it is primarily their duty to maintain and safeguard biodiversity in order to save the environment. The diversity of species, the health of the ecosystem, the state of the environment, and the continued viability of life on earth are crucial. By maintaining and safeguarding species, ecosystems, and natural resources, biodiversity conservation can be achieved for the sustainability of a healthy planet. Some rare species can be saved with the help of law enforcement.

All living species are interconnected and can be negatively impacted by one disturbance and therefore maintaining biodiversity is crucial for human survival. Inadequate biodiversity protection puts human life, as well as the lives of plants, animals, and the environment, at danger. As a result, we must make every effort to preserve our biodiversity.

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ENCYCLOPEDIC ENTRY

Biodiversity.

Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria, and fungi. While Earth’s biodiversity is so rich that many species have yet to be discovered, many species are being threatened with extinction due to human activities, putting the Earth’s magnificent biodiversity at risk.

Biology, Ecology

grasshoppers

Although all of these insects have a similar structure and may be genetic cousins, the beautiful variety of colors, shapes, camouflage, and sizes showcase the level of diversity possible even within a closely-related group of species.

Photograph by Frans Lanting

Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species  in one region or ecosystem . Bio diversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. However, only around 1.2 million species have been identified and described so far, most of which are insects. This means that millions of other organisms remain a complete mystery.

Over generations , all of the species that are currently alive today have evolved unique traits that make them distinct from other species . These differences are what scientists use to tell one species from another. Organisms that have evolved to be so different from one another that they can no longer reproduce with each other are considered different species . All organisms that can reproduce with each other fall into one species .

Scientists are interested in how much biodiversity there is on a global scale, given that there is still so much biodiversity to discover. They also study how many species exist in single ecosystems, such as a forest, grassland, tundra, or lake. A single grassland can contain a wide range of species, from beetles to snakes to antelopes. Ecosystems that host the most biodiversity tend to have ideal environmental conditions for plant growth, like the warm and wet climate of tropical regions. Ecosystems can also contain species too small to see with the naked eye. Looking at samples of soil or water through a microscope reveals a whole world of bacteria and other tiny organisms.

Some areas in the world, such as areas of Mexico, South Africa, Brazil, the southwestern United States, and Madagascar, have more bio diversity than others. Areas with extremely high levels of bio diversity are called hotspots . Endemic species — species that are only found in one particular location—are also found in hotspots .

All of the Earth’s species work together to survive and maintain their ecosystems . For example, the grass in pastures feeds cattle. Cattle then produce manure that returns nutrients to the soil, which helps to grow more grass. This manure can also be used to fertilize cropland. Many species provide important benefits to humans, including food, clothing, and medicine.

Much of the Earth’s bio diversity , however, is in jeopardy due to human consumption and other activities that disturb and even destroy ecosystems . Pollution , climate change, and population growth are all threats to bio diversity . These threats have caused an unprecedented rise in the rate of species extinction . Some scientists estimate that half of all species on Earth will be wiped out within the next century. Conservation efforts are necessary to preserve bio diversity and protect endangered species and their habitats.

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Biodiversity — short for biological diversity — is the i ncredible variety of life on Earth, encompassing the tiniest microbes to the most majestic animals on the planet. And it's not just about rare or endangered species, it's everything from genes and bacteria to entire ecosystems like forests and coral reefs.

Biodiversity is crucial for people and our planet, and without it we couldn’t survive, providing us with the essentials like food, clean water, and even medicine.

So think about it this way. Biodiversity is us — it's like a big, interconnected web where each species has a role to play.

But here's the problem: humans are putting too much pressure on the planet and that’s impacting biodiversity in a big way. The rate at which we use up natural resources is increasing like never before, throwing ecosystems out of balance and putting biodiversity at risk . Today, scientists believe we're living through the sixth mass extinction in Earth's history.

The 3 Biggest Things You Should Know About Biodiversity

• The world’s wildlife populations have plunged by more than two-thirds since 1970.
• Indigenous peoples safeguard 80% of the world's biodiversity yet account for 19% of those in extreme poverty.
• If we stopped harming the planet within 50 years, it would still take 5-7 million years for biodiversity to return to levels seen prior to human life.

What Is Biodiversity?

To define biodiversity in simple terms, it’s all the variety of the natural world around us that provides the building blocks for life — clean water and air, food, and a stable climate. But we’re running out of time to protect it.

The biodiversity definition isn’t as important as understanding it. Why is biodiversity important? Ecosystems around the world rely on biodiversity to function properly. It’s like an intricate puzzle, where everything needs to fit together just right.

Protecting places, like forests and oceans, for example, are particularly crucial because they clean and distribute water, absorb carbon dioxide, and protect us from natural disasters.

But we're putting biodiversity at risk: deforestation , agriculture, over-development, and pollution are major threats to this precious system. Like the amount of fish in the ocean, for example, which has halved since 1970 .

Fortunately, however, there is hope. In December 2022, government and business leaders came together to adopt a landmark agreement to protect biodiversity and reverse nature’s rapid decline before it’s too late, which included a provision to protect 30% of the planet’s land, ocean, and inland waters .

The way we use land also needs to be smarter. Short-term thinking for immediate rewards often leads to destructive practices that harm our planet well into the future. We need to conserve untouched areas, restore degraded land, and take a more holistic approach that protects biodiversity and prioritizes our shared future.

How Does Biodiversity Impact People Around the World?

Human dependence on biodiversity extends beyond the food we eat, the air we breathe, and the water we drink.

Earth is home to plants, animals, land, water, the atmosphere, and the human population. Biodiversity has a direct impact on humanity's health, wealth, and security, and we all have a role to play in the planet's ecosystems because, without it, our lives are on the line.

Biodiversity provides humanity with the medicines that keep us healthy and the materials we use for our homes and clothes. But it goes even deeper than that. Biodiversity also affects things like how diseases spread, what the local climate is like, and how well communities and land recover from natural disasters.

The loss of biodiversity affects everyone, but it hits the most vulnerable people the hardest — those who are already marginalized, who are already living in poverty. Vulnerable communities are especially at risk when biodiversity is lost. Communities that live in disaster prone areas, especially low-income countries in the Global South, rely on biodiversity in a multitude of ways. When biodiversity is at risk, they are too .

What Are the Main Causes of Biodiversity Loss?

Our planet is teeming with both beloved and undiscovered species, but human activities have left them threatened with extinction.

The biggest driver of biodiversity loss is known as land-use change : when natural landscapes are converted into a space for human activities like agriculture, mining, or urban expansion. When we destroy natural habitats through land-use change, we rob countless species of their homes. Fragmenting ecosystems disrupts their balance, leaving less space for natural resources and survival.

Meanwhile, overfishing, warming and acidifying waters, and pollution have destabilized the ocean in ways that threaten, not only sealife, but also humanity. Overfishing in itself is leading to the collapse of fish stocks and wrecking of marine ecosystems.

Whether it's air, water, or soil pollution, toxic chemicals and pollutants also harm ecosystems and species. Habitats degrade, certain species decline, and crucial ecological processes get disrupted.

But climate change is the biggest biodiversity threat of all. The climate crisis is changing habitats, altering species distributions, disrupting reproductive cycles, and making species more susceptible to diseases and pests. Mass extinctions and the destruction of entire ecosystems occur when these causes are combined.

The climate crisis attracts more attention, but really biodiversity and climate are two crises occurring in tandem. The global decline of biodiversity and climate change are both caused by humanity’s exploitative economic systems, they reinforce one another, and they demand the same levels of urgency for world leaders to act.

How Can We Take Action to Protect Biodiversity?

No reason to sugarcoat it: the planet has already sustained extreme biodiversity loss as a result of humans. Back in 2010, 168 countries formally agreed to protect and improve biodiversity by 2020 — yet, come 2020, not a single one of the 20 targets set had been met , according to a report by the United Nations.

Awareness of the importance of biodiversity remains low, inclusion of biodiversity in development projects is rare, and subsidies for fossil fuels, pesticides, and other toxic substances remain high.

But the same UN report also highlights that there are many ways that governments and leaders can create a transition to a world in harmony with nature.

Governments can take an active role in transforming the food system, for example, by breaking the dominance of major food corporations and instead subsidizing and supporting agriculture efforts to emphasize crop diversity, soil rehabilitation, and ecological harmony.

Water use rules need to be updated to reflect dwindling resources. Countries have to better regulate pollution and crack down on the worst offenders, control invasive species, and limit the hunting and capture of freshwater species.

Since the ocean is a shared space, countries have to better coordinate with one another about fishing zones , transportation routes, and pollution.

And while campaigns around plastic pollution often focus on everyday items like straws and takeout containers, the main cause of marine plastic pollution comes from fishing vessels that lose or toss nets and gear. High biodiversity areas — such as those around coral reefs — should be designated as marine protected areas that limit or prevent human activity.

Beyond switching to renewable energy , the best way to combat climate change is by restoring degraded landscapes, forests, and soil. By following these guidelines, governments and countries can work together on a large scale to help protect biodiversity.

Biodiversity is our greatest defense against climate change , but lofty promises made by the corporations and governments to preserve global ecosystems are often unfulfilled. Globally, the poorest people are suffering the most as the climate crisis intensifies, yet those who contribute the most to climate change are the least impacted.

Time is running out for our planet, for its people, and the delicate ecosystems that hang in the balance. But you can take action with Global Citizen to call on world leaders to tackle biodiversity loss and climate change before it's too late. Download the Global Citizen app , or visit the Global Citizen website to join the movement to take action and help end extreme poverty.

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Understanding Biodiversity: Everything You Need to Know & Why It's Important

Aug. 17, 2023

What Is Biodiversity?

Biodiversity.

Biodiversity is the extraordinary variety of life on Earth — from genes and species to ecosystems and the valuable functions they perform. E.O. Wilson, the noted biologist and author who coined the term “biodiversity,” explains it as “the very stuff of life.”

For at least 3.8 billion years, a complex web of life has been evolving on Earth. Millions of species inhabit land, freshwater, and ocean ecosystems. All species, including human beings, are intricately linked by their interactions with each other and the environments they live in.

Biodiversity — short for biological diversity — is the variety of all living things and their interactions. Biodiversity changes over time as extinction occurs and new species evolve.

Scientists often speak of three levels of diversity: species, genetic, and ecosystem diversity. In fact, these levels cannot be separated. Each is important, interacting with and influencing others. Changes at one level can cause changes at other levels.

What Is a Species?

Species come in all shapes and sizes, from organisms so small they can only be seen with powerful microscopes to huge redwood trees. They include bacteria, protozoa, fungi, flowering plants, ants, beetles, butterflies, birds, fishes, and large animals such as elephants, whales, and bears. Each species is a group of organisms with unique characteristics. An individual of a species can reproduce successfully, creating viable offspring, only with another member of that species.

We are still learning about how many species exist and how they relate to each other and their environment. Current estimates are of about 10 million species on Earth, of which only about 1.9 million have been named and catalogued. Scientists race to catalog species before they go extinct. An "endemic" species occurs in a particular area and nowhere else.

New species are still being discovered, for example by scientists from the Smithsonian National Museum of Natural History. Entomologist Dr. Jonathan Coddington and colleagues published the discovery of the largest web-spinning spider ( Nephila komaci ) in the world in 2009. In 2012, Dr. Terry Erwin and colleagues discovered 177 species of parasitic wasps . Using submersibles to study deep coral reefs, Icthyologist Dr. Carole Baldwin continues to encounter new species of fish . The study of fossils reveals new species from the past that are now extinct. For example, Paleobiologist Dr. Nick Pyenson and colleagues discovered that the diversity of sea cow species used to be higher on Earth.

When a new species is discovered, it is given a name. Scientific naming follows certain rules or conventions. A new species is assigned to a genus based on its relatedness to other organisms. Its unique species name may be related to one characteristic that makes the species different from others, the place it was found, or can have the name of a colleague.

In 2013, Smithsonian Mammalogist Dr. Kristofer Helgen and colleagues named the first new species of carnivorous mammal recorded from the Americas in 35 years. Its relatedness to "olingos" placed it in the genus Bassaricyon , while its species name, neblina , refers to the Andean cloud forests (neblina = "fog") in which it was found. A new species of jellyfish discovered by Dr. Allen Collins  was given the scientific name of Tamoya ohboya , thanks to a teacher's claim that people said "oh boy" when they saw it.

What Is Genetic Diversity?

Biodiversity includes the genes that every individual inherits from its parents and passes on to the next generation. Genetic diversity is found everywhere, from the variety of songs and feather colors of birds to the colors, tastes, and textures of apples and other foods. Genetic variation, which determines the extent to which individuals can adapt to their environments, is extremely important to their survival.

A genome is the complete set of genetic material (i.e., DNA) of an organism. To preserve Earth’s genomic diversity, scientists at the National Museum of Natural History are collecting and freezing hundreds of thousands of DNA samples. The collection will be used for the new field of genomics , a discipline that sequences, assembles, and analyzes the function and structure of genomes, providing information into the future about plants, animals, fungi, bacteria, and protists, even those that are extinct. The Smithsonian's repository of DNA is just one of many that together make up the Global Genome Project that seeks to preserve genetic samples from every species on Earth.

What Is Ecosystem Diversity?

Genes determine the traits of individuals that form populations of a species. Individuals from different species interact to form communities. These interact dynamically with non-living environmental components, such as water or minerals, to form an ecosystem. Some ecosystems such as tropical forests and coral reefs are especially complex and host a large number of species. Other ecosystems such as deserts and Arctic regions have less complexity and thus a lower number of species, but all those species are ecologically important and some are endemic to that ecosystem.

Monitoring Biodiversity

Many Smithsonian scientists are working on ways to monitor and measure biodiversity over time. Smithsonian Conservation Biology Institute scientists Dr. Francisco Dallmeier  and Dr. Alfonso Alonso  developed a Framework for the Assessment and Monitoring of Biodiversity. The framework provides guidance about how to go about designing and implementing assessments and monitoring programs, how to report the information gathered, and how to use the gathered scientific information to track the conditions of ecosystems and the species that inhabit them.

For more than three decades, Smithsonian scientists and institutional collaborators with the Forest Global Earth Observatory (ForestGEO) have been studying forest biodiversity and function at more than 60 sites around the world. A newer initiative, the Marine Global Earth Observatory (Marine GEO), brings together Smithsonian marine scientists from the U.S., Belize, and Panama to collaborate with colleagues from around the world to monitor ocean ecosystems.

Botanist Dr. John Kress  took a leadership role in 2006 when the Smithsonian and five other international scientific organizations founded what is now Consortium of Scientific Partners on Biodiversity and has grown to include 24 major scientific organizations as partners. The Consortium looks for innovative ways to investigate biodiversity and explore solutions to loss of biodiversity as humans continue to interact with the biosphere.

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Biodiversity Explained: Facts, Myths, and the Race to Protect It

By MJ Altman on January 4, 2023

A baby sloth hangs in a tree at the Bosque da Ciência in Manaus, Brazil. PHOTO: Michael Dantas/United Nations Foundation

As ecosystems and habitats degrade and disappear worldwide, biodiversity — the interconnectedness of all forms of life on our planet — is in jeopardy. In light of a new global agreement to protect our lands, ocean, and waters, explore what biodiversity really means and what it will take to preserve life on Earth.

From microscopic fungi to mega forests, “biodiversity” is the collective term for the variety of life on Earth in all its forms. It is 4.5 billion years of evolution, embodied.

Biodiversity is responsible for our food, our soil, our water, our weather, even the air we breathe. Yet despite being a crucial foundation for our collective future, biodiversity is often lost amid conversations on climate change — until recently.

In December 2022, leaders from nearly 200 nations adopted a landmark UN agreement to reverse nature’s rapid decline before it’s too late. Known as the Kunming-Montreal Global Biodiversity Framework , it calls for protecting 30% of the planet’s land, ocean, and inland waters and includes 23 other targets to help restore and protect ecosystems and endangered species worldwide.

Here are 12 things you should know:

1. Biodiversity is more than just the total number of species on Earth.

“It is actually more complex than that,” Dr. Thomas Lovejoy, the late ecologist, told the United Nations Foundation in 2018. “It’s about the genetic diversity within species, the diversity of habitats, and the large biological units known as biomes.”

This includes the interactions that occur between species within ecosystems – primordial relationships that shape our environment in countless, often unseen ways.

“Without biological diversity, there is no other life on Earth — including our own,” he explained. “Even though we are often oblivious to it, this diversity of life is what provides clean water, oxygen, and all other things that end up being part of our diet, as well as clothing and shelter. It provides a lot of psychological benefits too, which are not much appreciated.”

2. We’re only just beginning to understand biodiversity’s influence and importance in our lives.

Earth’s many ecosystems rely on a delicate, complicated, and fascinating tangle of life that, in many ways, remains a mystery. In fact, the term “biological diversity” wasn’t introduced to the scientific community until 1980 in a research paper on species loss by Dr. Lovejoy. Scientists still haven’t identified all forms of life on the planet. New species are discovered every year.

A harbor seal swims through kelp off the coast of Southern California's Channel Islands. Seals are among the thousands of species that rely on kelp forests for food and shelter. PHOTO: Shutterstock/Joe Belanger

Take kelp, for example. These undersea forests provide sustenance and shelter for marine species like chinook salmon, which, in turn, serve as a staple food for orcas. And kelp also absorb excess carbon dioxide, which can help mitigate climate change.

3. The planet’s biodiversity holds enormous, untapped potential for medical and scientific breakthroughs.

Lovejoy described each species on the planet as a unique set of solutions for a particular set of biological problems. “Whoever would have thought a bacterium from a Yellowstone hot spring would revolutionize forensic and diagnostic medicine, make the human genome project possible, and confer benefits in the trillion-dollar range?” he wrote as a Senior Fellow at the United Nations Foundation, citing a previously unknown and seemingly inconsequential microbe discovered in 1966 that revolutionized genetic testing and immunization development, including the COVID-19 vaccine.

A flowering plant grows from a tree in the Amazon Rainforest, near the research station known as Camp 41 north of Manaus, Brazil. PHOTO: Michael Dantas/United Nations Foundation

Today, one-fourth of all modern medicines are derived from tropical plants, and 70% of all cancer drugs are natural or bio-inspired products. In the past decade, researchers in Nova Scotia found a soil fungus that can disarm antibiotic-resistant bacteria — a discovery that could transform the fields of medicine and agriculture. The possibilities for discovery and innovation are monumental.

4. Climate change and biodiversity are interconnected.

Climate change is causing biodiversity loss, and biodiversity loss is causing climate change. Here’s how: Destroying and degrading ecosystems releases more carbon dioxide into the atmosphere than burning fossil fuels.

Meanwhile, the consequences of burning fossil fuels — rising global temperatures, an increase in wildfires, and ocean acidification, to name a few — are threatening habitats and wildlife alike. In late 2019 and early 2020, for example, more than 60,000 koalas were killed by wildfires in Australia so massive that nearly 3 billion animals died or were displaced as a result. Earlier this year, the Australian government officially listed koalas as an endangered species.

At COP 27 last year, world leaders reached a historic agreement to create a “loss and damage” fund to support communities that are already feeling climate change’s disastrous impact, including biodiversity loss and its impact on livelihoods.

More than 60,000 koalas were killed by wildfires in Australia in late 2019 and early 2020. Increased wildfires and subsequent habitat loss are just one of the consequences of climate change. PHOTO: Patrick Kavanagh

5. Biodiversity can help us adapt to climate change.

The UN considers biodiversity our strongest natural defense against climate change. Land and ocean ecosystems currently absorb 60% of human-caused emissions , and they are the planet’s only way of storing massive amounts of carbon dioxide. Coastal wetlands, for example, protect against storm surges and flooding during extreme weather while also storing carbon dioxide and creating oxygen.

According to a joint estimate by the UN Development Programme and the Government of Papua New Guinea, every dollar invested in environmental protection generates more than $2,500 in so-called ecosystem services — water regulation, coastal protection, carbon storage, and other invisible functions that nature provides. It’s one of the reasons that Papua New Guinea launched the first-ever national, independent Biodiversity and Climate Fund to protect its status as one of just 17 “megadiverse” countries.

6. Less biodiversity means a higher risk of disease.

For decades, the scientific community has warned that biodiversity loss increases the spread of infectious disease . Why? Because extinction upsets the ecosystem in unpredictable ways, and the destruction of natural habitats increases interaction between humans and wildlife. Biodiversity essentially acts as a barrier between humans and animal-borne disease.

Species that tend to survive logging, farming, mining, wildlife trade and consumption, and other human activities behind widespread biodiversity loss are often “vectors of disease” like mice and mosquitoes, which host pathogens that are able to make the jump to humans. It’s one of the reasons why cases of Lyme disease in the northeast United States have spiked in recent decades: With fewer mammals to prey on, ticks are increasingly seeking out people. In fact, roughly 75% of emerging infectious diseases are zoonotic .

It’s also why researchers like Dr. Alessandra Nava and her team of virus hunters at Brazil’s Fiocruz Amazônia are tracking the spread of disease in bats, monkeys, and rodents in the world’s largest rainforest. Their goal is to stay a step ahead of future pandemics by better understanding the pathogens contained within the jungle’s creatures before they come in contact with humans — encounters that become more likely as the human footprint expands.

A golden-backed squirrel monkey at the Bosque da Ciência, a rainforest park in Manaus, Brazil. PHOTO: Michael Dantas/United Nations Foundation

7. Biodiversity on land depends on biodiversity in water.

Maintaining the ocean’s ecological balance is crucial for protecting biodiversity on land, as well as maintaining our ability to feed future generations. The ocean plays a vital role in regulating the planet’s weather and water and the air we breathe. It is also the planet’s largest source of protein , feeding more than 3 billion people every day who rely on fish as a staple food.

Yet the ocean remains a vastly unexplored ecological frontier. While scientists have identified 200,000 marine species , the actual number is estimated to be in the millions. Unsustainable fishing practices, pollution, climate change, and habitat destruction are threatening creatures that may vanish before we even knew they existed.

8. Our planet’s biodiversity is on the brink.

Some 1 million species are threatened with extinction right now. That’s more than any other time in history, and they’re disappearing at a rate that is 1,000 times the norm. The culprit is the way most humans consume, produce, travel, and live.

A 2019 UN report found that we have altered 75% of the planet’s terrestrial environment, 40% of its marine environment, and 50% of streams and rivers. Nearly three-fourths of our freshwater resources are devoted to crop or livestock production, which often means using pesticides, fertilizers, fuels, and antibiotics that pollute our rivers, streams, seas, and soil. Every day we are destroying habitats and degrading massive amounts of soil and water through industrial manufacturing and agriculture while jeopardizing precious natural resources that could be lost forever in our lifetime; in the past two decades, we’ve lost half of the planet’s coral reefs . Deforestation in the Amazon rainforest hit a record high last year; some 18% is gone already, with scientists warning that we’re approaching a tipping point toward potential collapse .

9. Sustainability is the only way forward.

Such irresponsible production and consumption of our natural resources come at a catastrophic cost. We are destroying our planet at an unprecedented rate and losing a vast number of plants, animals, insects, and marine life in the process — to the detriment of our own future. Humanity’s health and well-being are dependent on a biodiverse planet.

Fortunately, examples are emerging of a greener, more sustainable way of doing business. Circular economic models are becoming more common as companies realize the economic and environmental value of reducing, reusing, and recycling their supply chain. At the same time, more citizens are demanding sustainable sourcing and socially just labor practices from their consumer goods. In 2022, the founder of the outdoor retailer Patagonia announced plans to invest all of the company’s profits toward combating climate change . “If we have any hope of a thriving planet — much less a business — 50 years from now, it is going to take all of us doing what we can with the resources we have,” Yvon Chouinard wrote .

Along Brazil’s Rio Negro, fourth-generation logger Roberto Brito de Mendonça stands in the dining lodge of his community’s ecotourism lodge. He retired from the family business to help start the operation, which includes a newly built classroom named in honor of Dr. Lovejoy. PHOTO: Michael Dantas/United Nations Foundation

10. Indigenous communities are crucial.

For thousands of years, Indigenous communities have served as the planet’s most effective environmental stewards. Today, according to the UN, Indigenous people manage more than 20% of the planet’s land and 80% of its biodiversity. “For us, it is not a passion, or a job,” Hindou Ibrahim of the Mbororo tribe in Chad, an SDG (Sustainable Development Goal) Advocate and Indigenous rights activist, told the UN last year. “It is our way of living. And that’s what we have done for all generations.”

In 2015, the UN created the Local Communities and Indigenous Peoples Platform to ensure their formal participation in global negotiations on climate change.

11. Conservation is critical.

One of our most promising solutions is preservation. Restoring degraded ecosystems alone could provide up to one-third of the climate mitigation needed to keep the Earth from warming too far above pre-industrial levels. This means creating protected areas, curbing extractive capitalism, and restoring the planet’s enormous amount of degraded land.

People across the globe are leading efforts to do just that. One inspiring example is Rita Mesquita, who expanded the amount of protected rainforest in Brazil by 76% during her time in the country’s Ministry of the Environment. Today, she oversees programs that encourage residents and visitors alike in Manaus to interact with the surrounding Amazon rainforest.

A Rhinoceros Beetle in Costa Rica’s National Park Tortuguero. The rhino beetle is one of the strongest insects in the world with relation to its body size, but because its tropical lowland habitat has been deforested and overcut, it is struggling to survive. PHOTO: GRID-Arendal/Peter Prokosch

12. We need cooperation — and revolution — at all levels.

We need partnerships among countries, communities, consumers, and corporations. And we’re seeing signs of progress every day. In fact, at COP 27, the Governments of Brazil, Democratic Republic of Congo, and Indonesia announced an alliance to protect their respective rainforests. Their historic agreement could pave the way for more multilateral action and impact. Coming just a month later, the Kunming-Montreal Global Biodiversity Framework represents an enormous and long-awaited step toward halting extinction rates that some scientists are calling an existential crisis akin to climate change.

A huge part of the solution to the biodiversity challenge will be transforming how we approach the natural world and our place within it. As Dr. Lovejoy told the UN Foundation in 2018 , “There needs to be a major shift in perception from thinking of nature as something with a fence around it in the middle of an expansive, human-dominated landscape … to thinking about embedding our aspirations in nature.”

Biodiversity: What is it and how can we protect it?

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The UN and its global partners will grapple with the massive loss of animal and plant species and how to avoid further extinction at a major conference beginning 23 January. Here’s a primer on what exactly biodiversity is and how the UN can help support efforts to enable nature to survive and thrive.

What does 'biodiversity' mean and why is it important?

In simple terms, biodiversity refers to all types of life on Earth. The UN Convention on Biological Diversity ( CBD ) describes it as “the diversity within species, between species and of ecosystems, including plants, animals, bacteria, and fungi”. These three levels work together to create life on Earth, in all its complexity.

The diversity of species keep the global ecosystem in balance, providing everything in nature that we, as humans, need to survive, including food, clean water, medicine and shelter.  Over  half of global GDP  is strongly dependent on nature. More than one billion people  rely on forests  for their livelihoods.

Biodiversity is also our strongest natural defence against  climate change . Land and ocean ecosystems act as “carbon sinks”, absorbing more than half of all carbon emissions.

Why are we talking about it now?

Because the first big push of the year to put the UN’s bold plan to protect biodiversity into practice  takes place in the Swiss capital, Bern , between 23 and 25 January. 

Introducing the conference, Patricia Kameri-Mbote, Director of the United Nations Environment Programme ( UNEP ) Law Division,  warned that the lack of coordination between the various organizations trying to protect biodiversity is a “critical challenge” that needs to be urgently overcome “as we strive for a world living in harmony with nature by 2050”. A key aim of the conference will be to solve that problem by pulling together the various initiatives taking place across the world.

Is there a crisis?

Yes. It’s very serious, and it needs to be urgently tackled. 

Starting with the natural and land sea carbon sinks mentioned above. They are being degraded, with examples including the deforestation of the Amazon and the disappearance of salt marshes and mangrove swamps, which remove large amounts of carbon. The way we use the land and sea is one of the biggest drivers of biodiversity loss. Since 1990, around 420 million hectares of forest have been lost through conversion to other land uses. Agricultural expansion continues to be the main driver of deforestation, forest degradation and forest biodiversity loss.

Other major drivers of species decline include overfishing and the introduction of invasive alien species (species that have entered and established themselves in the environment outside their natural habitat, causing the decline or even extinction of native species and negatively affecting ecosystems).

These activities, UNEP has shown , are pushing around a million species of plants and animals towards extinction. They range from the critically endangered South China tiger and Indonesian orangutans to supposedly “ common” animals and plants, such as giraffes and parrots as well as oak trees, cacti and seaweed.  This is the largest loss of life since the dinosaurs.  

Combined with skyrocketing levels of pollution, the degradation of the natural habitat and biodiversity loss are having serious impacts on communities around the world. As global temperatures rise, once fertile grasslands turn to desert, and in the ocean, there are hundreds of so-called “dead zones”, where scarcely any aquatic life remains.

The loss of biodiversity affects the way an ecosystem functions, leading to species being less able to respond to changes in the environment and making them increasingly vulnerable to natural disasters. If an ecosystem has a wide diversity of organisms, it is likely that they will not all be affected in the same way. For instance, if one species is killed off then a similar species can take its place. 

What is the Biodiversity Plan?

The Plan, officially called the Kunming-Montreal  Global Biodiversity Framework , is a UN-driven landmark agreement adopted by 196 countries to guide global action on nature through to 2030, which was hashed out at meetings in Kunming, China and Montreal, Canada, in 2022.

The aim is to address biodiversity loss, restore ecosystems and protect indigenous rights. Indigenous peoples  suffer disproportionately from loss of biological diversity and environmental degradation. Their lives, survival, development chances, knowledge, environment and health conditions are threatened by environmental degradation, large scale industrial activities, toxic waste, conflicts and forced migration as well as by land-use and land-cover changes such as deforestation for agriculture and extractives.

There are concrete measures to halt and reverse nature loss, including putting 30 per cent of the planet and 30 per cent of degraded ecosystems under protection by 2030. Currently 17 per cent of land and around eight per cent of marine areas are protected. The plan also contains proposals to increase financing to developing countries – a major sticking point during talks – and indigenous peoples.

Countries have to come up with national biodiversity strategies and action plans as well as set or revise national targets to match the ambition of global goals.

What else will the UN do to protect biodiversity this year?

Next month the UN Environment Assembly ( UNEA ), otherwise known as the   “World’s Environment Parliament” will meet at the UN office in Nairobi . The event   brings together governments, civil society groups, the scientific community and the private sector to highlight the most pressing issues and improve global governance of the environment. UNEA 2024 will focus on climate change, biodiversity loss and pollution.

However, the main event will be the  UN Biodiversity Conference , which will take place in Colombia in October. Delegates will discuss how to restore lands and seas in a way that protects the planet and respects the rights of local communities.

• biodiversity

Why is biodiversity important?

Biodiversity is essential for the processes that support all life on Earth, including humans. Without a wide range of animals, plants and microorganisms, we cannot have the healthy ecosystems that we rely on to provide us with the air we breathe and the food we eat. And people also value nature of itself.

Some aspects of biodiversity are instinctively widely valued by people but the more we study biodiversity the more we see that all of it is important – even bugs and bacteria that we can’t see or may not like the look of. There are lots of ways that humans depend upon biodiversity and it is vital for us to conserve it. Pollinators such as birds, bees and other insects are estimated to be responsible for a third of the world’s crop production. Without pollinators we would not have apples, cherries, blueberries, almonds and many other foods we eat. Agriculture is also reliant upon invertebrates – they help to maintain the health of the soil crops grow in.  Soil is teeming with microbes that are vital for liberating nutrients that plants need to grow, which are then also passed to us when we eat them. Life from the oceans provides the main source of animal protein for many people.

Trees, bushes and wetlands and wild grasslands naturally slow down water and help soil to absorb rainfall. When they are removed it can increase flooding. Trees and other plants clean the air we breathe and help us tackle the global challenge of climate change by absorbing carbon dioxide. Coral reefs and mangrove forests act as natural defences protecting coastlines from waves and storms. 

Many of our medicines, along with other complex chemicals that we use in our daily lives such as latex and rubber, also originate from plants. Spending time in nature is increasingly understood to lead to improvements in people’s physical and mental health. Simply having green spaces and trees in cities has been shown to decrease hospital admissions, reduce stress and lower blood pressure.

Further reading

Plural valuation of nature matters for environmental sustainability and justice by Berta Martin-Lopez, Social-Ecological Systems Institute, Faculty of Sustainability, Leuphana University of Lüneburg, Germany

Climate change and biodiversity

Human activities are changing the climate. Science can help us understand what we are doing to habitats and the climate, but also find solutions.

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• School Education /

Essay on Biodiversity in 500 Words for Students

• Updated on  
• Dec 7, 2023

Essay on Biodiversity: Biodiversity refers to the variety of animals and plants in the world or a specific area. Even in today’s modern world where so many technological advances have taken place, we still rely on our natural environment and resources to survive, A healthy and vibrant ecosystem is not disturbed by human activities. We humans are the largest consumers of natural resources, and you know what? We are also a real threat to the natural environment? Biodiversity is not just about a variety of animal and plant species, but, also offers us water, climate, disease control, nutrition cycle, oxygen release, etc. According to one report released by the United Nations, around 10 lakh plant and animal species are on the verge of extinction. The worst thing is that this number is almost at a doubling rate.

Also Read: Essay on 5g Technology

Check out all the latest updates on all board exams 2024

Why is Biodiversity Important?

Biodiversity supports all life forms on earth. To understand the importance of biodiversity, we don’t need to think or act like a biologist. All we need is a holistic understanding. 

• Biodiversity promotes resilience and stability in our ecosystem. If there is any natural disturbance in the environment, a diverse ecosystem will be able to survive and recover better.
• Fields like agriculture, forestry, and medicine completely rely on biodiversity. We get genetic resources from biodiversity, which is essential for agriculture and medicine fields.
• A healthy biodiversity environment means healthy humans. The medicinal drugs we use are derived from plants, animals, and microorganisms.
• In many parts of the world, biodiversity is an integral part of cultural identity. Indigenous tribes are connected with their natural environment and species. 
• Forest areas and oceans play an important role in regulating global temperature and storing carbon dioxide.
• Our environment is constantly changing and the species around it also need to adapt to for to survive. Therefore, genetic diversity within species is also important.
• Natural activities like soil formation, nutrient cycling, water purification, etc, are all dependent on biodiversity.

Also Read: NCERT Solutions Class 9 Natural Vegetation and Wildlife

What is Biodiversity Loss?

Biodiversity loss means the global extinction of various species, resulting in the loss of biological diversity. One of the main factors responsible for biodiversity loss is the conversion of natural habitats into agricultural and urban areas. Cutting down forests and using the land for commercial activities results in destroying the livelihood of all the species in the region. Other factors responsible for biodiversity loss are listed below.

• Overexploitation
• Climate change
• Global trade and transportation
• Emerging diseases
• Pollution 

Also Read: Essay on Save Environment

What is Biodiversity Conservation?

Biodiversity conservation refers to the preservation of species, natural resources, and habitats from the rate of extinction. To achieve the goals of biodiversity conservation, effective management, and sustainable practices are required.

• Biodiversity conservation includes protected areas like biodiversity hotspots, national parks, and wildlife sanctuaries.
• One of the most effective ways to conserve biodiversity is rehabilitation and restoring degraded habitats is crucial.
• Promoting sustainable practices in agriculture, forestry, and other resource-dependent activities is essential for the conservation of biodiversity.
• Encouraging the participation of local and indigenous communities can be one solution to achieving the goals of biodiversity conservation. Indigenous and local knowledge can contribute to effective conservation strategies.

Also Read: Essay on Junk Food

Quotes on Biodiversity

Here are some popular quotes on biodiversity. Feel free to add them to your writing topics related to the natural environment.

• ‘Look closely at nature. Every species is a masterclass, exclusively adapted to the particular environment in which it has survived. Who are we to destroy or even diminish biodiversity?’ – E O Wilson
• ‘Biodiversity is our most valuable but least appreciated resource.’ – E O Wilson
• ‘Biodiversity is the greeted treasure we have. It’s diminishment is to be prevented at all cost.’ – Thomas Eisner
• ‘Animal protection is education to humanity.’ – Albert Schweitzer
• ‘Only beautiful animals or ugly people wear fur.’ – Unknown
• ‘Babies and animals are the mirrors of the nature.’ – Epicurus

Also Read: Essay on Globalization

Ans: Biodiversity refers to the variety of plants and animals in our natural environment or a particular region. Biodiversity supports all life forms on earth. To understand the importance of biodiversity, we don’t need to think or act like a biologist. All we need is a holistic understanding. Biodiversity promotes resilience and stability in our ecosystem. If there is any natural disturbance in the environment, a diverse ecosystem will be able to survive and recover better. Fields like agriculture, forestry, and medicine completely rely on biodiversity. We get genetic resources from biodiversity, which is essential for agriculture and medicine fields.

Ans: Biodiversity conservation refers to the preservation of species, natural resources, and habitats from the rate of extinction. To achieve the goals of biodiversity conservation, effective management, and sustainable practices are required.

Ans: Some of the popular biodiversity hotspots in India are the Himalayas, Indo-Burma, Western Ghats & Sundaland.

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Shiva Tyagi

With an experience of over a year, I've developed a passion for writing blogs on wide range of topics. I am mostly inspired from topics related to social and environmental fields, where you come up with a positive outcome.

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Biodiversity: Importance and Benefits Essay

Evolution is the process of developing new structures over time and ages. There could be a misconception that evolution is all about change in the physical properties of man. For example we may think that evolution is all about a man developing from simple cell microorganisms through levels like monkeys to what he is today. Though this is a fact in the face of contemporary views on evolution, it is not the only aspect of evolution in question.

Change in so many structures of the earth has lead to many other forms of evolution resulting from the forces acting from these changes. Change in character is also a form of evolution; change in tendencies is also a form of evolution and, change in views and conceptions about certain issues is also a form of evolution and so many other things which are evolutions in their own way. In brief, we talk about change as a result of time and other forces when we talk about evolution. (Greig-Gran, 256-312)

Human beings have a tendency to value long term benefits over short term benefits. Short term benefits are the benefits that someone receives after a short period of time while long term benefits are the ones that one gets after a long period as the term itself points out. Mostly, people prefer to venture in short term benefits rather than long term benefits whether in business or any other activity which they engage in (Patent 46-59).

Over time people have changed from preferring long term benefits to preferring short term but this is not absolute since there are also changes from short term to long term. For example, people have evolved from preferring huntering and gathering to cultivation of crops which take a longer period of time to reap or harvest. This helps them to survive in a world where food supply is decreasing day after day. Initially people thought of long term benefits and that is why they reproduced.

How ever, most of the changes have been a shift from preferring long term benefit to preferring short term benefits. The technological advancements are some of the causes for this change. For example in the field of agriculture, people have developed new breeds that develop faster and that take a short time to grow and be harvested. Where the concept of shortening the time came from is a matter of time also and simply a matter of evolution though it may also been caused by some forces acting on the environment. (Greig-Gran 256-312)

Technological advancements have also contributed to this shift. Increase in population is also a factor that leads to such a change. People have mated at very high rates and this calls for increased amounts of food. There has been an evolution from growing long term crops to growing crops that a very short period of time to develop completely. People have started to use fertilizers to speed up the growth; genetically modified crops which grow first are replacing the normal crops that used to take a long time to develop.

This is due to the fact that man is evolving from the tendency of valuing long term benefits to a tendency of valuing short terms benefits. This kind of crops did not exist before, but they are common today. This and many others illustrate that man has changed or evolved from valuing long term benefits to valuing short term benefits and there is no going back because evolution does not regress and besides its evident that we are moving ahead and not backwards. (Patent 46-59).

So how can we quantify biodiversity? The view of so many people is that we should not question the importance of natural provisions. But we have to understand that human nature benefits from these provisions whether in the long term or in the short term. This way, he should also conserve biodiversity and we must know the worth of biodiversity. The cost benefit analysis can be used to do this. Through this we can know how changes in biodiversity can affect the welfare of human nature. These changes in biodiversity can be influenced by man in one way or the other and this is why the cost and benefits of this activities or actions have to be calculated.

For example in the year 1995, Alaskan gray wolfs which had been extinct from 1930 were re-introduced in the Yellowstone national park. The cost here had to be calculated because it is an activity that involves spending. The benefits have to be compared to the cost of the operation. Short term benefits and long term benefits should be assessed. (Greig-Gran 256-312)

Three quantities can be use to determine the worth of conserving biodiversity. These are direct use value, indirect use value and non use value. From this we can come up with a relationship to determine the value of biodiversity. Thus

• Value (Benefits) of conserving biodiversity = direct use value +indirect use value +non use value.

Where, direct use refers to the present and the expected benefits of the program in comparison to the cost involved. In this case we will consider the value of preserving biodiversity. Thus

• Direct use=Expected benefits-cost of operation

Indirect use value is the value of those things that can not be bought or sold but have some benefits. In ecosystems, these values include the carbon cycle, purification of air, preservation of water sheds and others. (Greig-Gran 256-312)

Non use values are the benefits people get if they don’t use biodiversity. For example, in a case of extinction, people like visiting the extinct sites to see what has happened. If the species are replaced, then this will not happen. Some of these values can not be determined easily but since we must quantify the value of biodiversity, we must determine them under whatever cost. (Greig-Gran, 2006)

The benefits of biodiversity are both long term and short term. Human beings get so many benefits from biodiversity. These services may include food, wood, nitrogen fixation, pollination, and beauty. Other services include maintenance of climate and life, prevention of overflow of water and famine, natural bug’s control, and even spiritual enrichment. Some of these benefits are long term while others are short term. (Greig-Gran, 256-312)

Quantifying the relative merits of short term unsustainable versus long term sustainable usage may not be an easy task. So many quantities have to be considered. One starts by determining which benefits are long term and which ones are short term. This introduces a quantity of time. The time taken by an ecosystem to bring some benefits is a function of the value of the ecosystem. Another quantity is the degree of sustainability which is a probability quantity. Through experience and statistics one can determine the sustainability of a certain benefit of biodiversity. All these functions combined together will lead to the quantification of both long term and short term biodiversity usage. This can be summarized by the relationship (Maclaurin 17-217)

• Long term benefit is a function of time and sustainability.
• Short term benefit is a function of time and sustainability.
• Total benefit is a function of long term benefits and short term benefits

Human beings were created to benefit from the provisions of nature. There can always be a balance between all aspects and members of an ecosystem. This becomes impossible when man exploits the natural environment and destroys the biodiversity instead of conserving it. Let’s join hands and let’s make a decision to take care of nature so that nature can take care of us. (Chivian 19-434)

Works cited

Chivian, Eric. & Bernstein, Aaron. “Sustaining life; How human health depends on biodiversity” Oxford University Press. 2008:19-434.

Greig-Gran, M. “Is tacking deforestation a cost-effective mitigation approach?” International Institute for Economic Development, 2006: 256-312.

Maclaurin, James. & Sterelny, Kim. “What is biodiversity?” University of Chicago Press. 2008:17-217.

Patent, Dorothy “Biodiversity” Sandpiper press. 2003:14-106.

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Essay on Biodiversity

Students are often asked to write an essay on Biodiversity in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on Biodiversity

Understanding biodiversity.

Biodiversity is the variety of life on Earth. It includes all living things, from tiny organisms like bacteria to large animals like elephants.

Importance of Biodiversity

Biodiversity is crucial for our survival. It provides us with food, clean air, and water. It also helps in controlling climate and diseases.

Threats to Biodiversity

Sadly, biodiversity is decreasing due to human activities. Deforestation, pollution, and climate change are major threats.

Protecting Biodiversity

We can protect biodiversity by planting trees, reducing pollution, and promoting sustainable use of resources. Remember, every action counts.

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250 Words Essay on Biodiversity

Introduction to biodiversity.

Biodiversity, a term coined to describe the immense variety and variability of life on Earth, is a pivotal concept in biology. It encompasses the range of species, their genetic variation, and the complex ecosystems they form. Biodiversity is not just about the richness of species, but also about the intricate interconnections that maintain the balance of our planet.

The Importance of Biodiversity

Biodiversity holds both intrinsic and instrumental value. Intrinsically, every species has a right to exist. Instrumentally, biodiversity provides ecosystem services such as food provision, climate regulation and recreational benefits. It also acts as an insurance policy against future environmental uncertainty, with the potential for new medicines, materials, and foods yet to be discovered.

The main threats to biodiversity include habitat loss, climate change, invasive species, overexploitation, and pollution. These factors, largely driven by human activities, have led to unprecedented rates of species extinction. The loss of biodiversity is not just an environmental issue, but also a developmental, economic, security, social and moral issue.

The Future of Biodiversity

The future of biodiversity relies heavily on our actions today. Conservation efforts, sustainable use of resources, and integrating biodiversity considerations into all aspects of decision-making are crucial. Involving local communities in conservation, recognizing their rights and knowledge, can also be a powerful tool for biodiversity preservation.

In conclusion, biodiversity is the lifeblood of our planet. Its preservation requires a holistic approach, recognizing the interconnectedness of life, and the vital role biodiversity plays in maintaining the health and resilience of our planet.

500 Words Essay on Biodiversity

Biodiversity, a term coined from ‘biological diversity,’ refers to the variety of life on Earth at all its levels, from genes to ecosystems. It encompasses the evolutionary, ecological, and cultural processes that sustain life. Biodiversity is not evenly distributed, rather it varies across the globe, the greatest being found in the tropics.

Biodiversity holds both intrinsic and instrumental value. Intrinsically, every species has a right to exist, irrespective of its utility to human beings. Instrumentally, biodiversity is vital for maintaining the health of the planet and delivering benefits vital for human survival. It provides ecosystem services such as pollination, nutrient cycling, climate regulation, and the provision of food, fuel, fiber, and medicines.

Unfortunately, human activities threaten biodiversity. Habitat destruction, overexploitation, pollution, invasive species, and climate change are driving species towards extinction at an unprecedented rate. The loss of biodiversity has severe implications on human societies. It undermines the capacity of ecosystems to provide their services, threatening societal resilience.

Conservation of Biodiversity

Conservation of biodiversity is no longer a luxury; it’s a necessity. Conservation strategies can be grouped into in-situ and ex-situ. In-situ conservation involves protecting species in their natural habitats, through the creation of protected areas such as national parks. Ex-situ conservation involves protecting species outside their natural habitats, such as in zoos or seed banks.

Role of Technology in Biodiversity Conservation

In the age of technology, we have powerful tools at our disposal for biodiversity conservation. Satellite imaging allows us to monitor habitat loss. Genetic techniques help us understand species’ relationships and identify conservation priorities. Citizen science initiatives, fueled by the proliferation of smartphones, allow the public to contribute to biodiversity monitoring.

Biodiversity is the lifeblood of our planet, and its loss threatens our very existence. We must recognize the intrinsic value of biodiversity and the role it plays in providing essential ecosystem services. By understanding the threats to biodiversity and employing innovative conservation strategies, we can ensure a sustainable future for all species. It’s not just about preserving nature for nature’s sake, but about securing a future for ourselves and generations to come.

That’s it! I hope the essay helped you.

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Biodiversity - our strongest natural defense against climate change

Biological diversity — or biodiversity — is the variety of life on Earth, in all its forms, from genes and bacteria to entire ecosystems such as forests or coral reefs. The biodiversity we see today is the result of 4.5 billion years of evolution, increasingly influenced by humans.

Biodiversity forms the web of life that we depend on for so many things – food, water, medicine, a stable climate, economic growth, among others. Over half of global GDP is dependent on nature. More than 1 billion people rely on forests for their livelihoods. And land and the ocean absorb more than half of all carbon emissions. 

But nature is in crisis. Up to one million species are threatened with extinction, many within decades. Irreplaceable ecosystems like parts of the Amazon rainforest are turning from carbon sinks into carbon sources due to deforestation. And 85 per cent of wetlands , such as salt marshes and mangrove swamps which absorb large amounts of carbon, have disappeared.   

How is climate change affecting biodiversity?  

The main driver of biodiversity loss remains humans’ use of land – primarily for food production . Human activity has already altered over 70 per cent of all ice-free land. When land is converted for agriculture, some animal and plant species may lose their habitat and face extinction.  

But climate change is playing an increasingly important role in the decline of biodiversity. Climate change has altered marine, terrestrial, and freshwater ecosystems around the world. It has caused the loss of local species, increased diseases, and driven mass mortality of plants and animals, resulting in the first climate-driven extinctions.

On land, higher temperatures have forced animals and plants to move to higher elevations or higher latitudes, many moving towards the Earth’s poles, with far-reaching consequences for ecosystems. The risk of species extinction increases with every degree of warming.  

In the ocean, rising temperatures increase the  risk of irreversible loss of marine and coastal ecosystems . Live coral reefs , for instance, have nearly halved in the past 150 years, and further warming threatens to destroy almost all remaining reefs.  

Overall, climate change affects the health of ecosystems , influencing shifts in the distribution of plants, viruses, animals, and even human settlements. This can create increased opportunities for animals to spread diseases and for viruses to spill over to humans. Human health can also be affected by reduced ecosystem services, such as the loss of food, medicine and livelihoods provided by nature.   

Why is biodiversity essential for limiting climate change?  

When human activities produce greenhouse gases, around half of the emissions remain in the atmosphere, while the other half is  absorbed by the land and ocean . These ecosystems – and the biodiversity they contain – are natural carbon sinks, providing so-called nature-based solutions to climate change.

Protecting, managing, and restoring forests , for example, offers roughly two-thirds of the total mitigation potential of all nature-based solutions. Despite massive and ongoing losses, forests still cover more than 30 per cent of the planet’s land.

Peatlands – wetlands such as marshes and swamps – cover only 3 per cent of the world’s land, but they store twice as much carbon as all the forests. Preserving and restoring peatlands means keeping them wet so the carbon doesn’t oxidize and float off into the atmosphere. 

Ocean habitats such as seagrasses and mangroves can also  sequester carbon dioxide from the atmosphere  at rates up to four times higher than terrestrial forests can. Their ability to capture and store carbon make mangroves highly valuable in the fight against climate change.

Conserving and restoring natural spaces , both on land and in the water, is essential for limiting carbon emissions and adapting to an already changing climate. About one-third of the greenhouse gas emissions reductions needed in the next decade could be achieved by improving nature’s ability to absorb emissions. 

Is the UN tackling climate and biodiversity together?  

Climate change and biodiversity loss (as well as pollution) are part of an interlinked triple planetary crisis the world is facing today. They need to be tackled together if we are to advance the Sustainable Development Goals and secure a viable future on this planet.

Governments deal with climate change and biodiversity through two different international agreements – the  UN Framework Convention on Climate Change  (UNFCCC) and the  UN Convention on Biological Diversity  (CBD), both established at the 1992 Rio Earth Summit.

Similar to the historic  Paris Agreement  made in 2015 under the UNFCCC, parties to the Biodiversity Convention in December 2022 adopted an agreement for nature, known as the  Kunming-Montreal Global Biodiversity Framework , which succeeds the  Aichi Biodiversity Targets  adopted in 2010.

The framework includes wide-ranging steps to tackle the causes of biodiversity loss worldwide, including climate change and pollution.

“An ambitious and effective post-2020 global biodiversity framework, with clear targets and benchmarks, can put nature and people back on track,”  the UN Secretary-General said , adding that, “this framework should work in synergy with the Paris Agreement on climate change and other multilateral agreements on forests, desertification and oceans.”

In December 2022,  governments met in Montreal, Canada  to agree on the new framework to secure an ambitious and transformative global plan to set humanity on a path to living in harmony with nature.

“Delivering on the framework will contribute to the climate agenda, while full delivery of the Paris Agreement is needed to allow the framework to succeed,”  said Inger Andersen , the head of the UN Environment Programme. “We can’t work in isolation if we are to end the triple planetary crises.”

Watch our  interview with Elizabeth Mrema , the Executive Secretary of the United Nations Convention on Biological Diversity.

Read the UN Secretary-General’s speech at the Countdown to COP15: Leaders Event for a Nature-Positive World in September 2022, and his remarks at the December 2022 Biodiversity Conference and Press Conference.  

Learn more about…

Climate issues

Learn more about how climate change impacts are felt across different sectors and ecosystems.

Elizabeth Mrema: Protecting the world’s biodiversity

The Executive Secretary of the UN Convention on Biological Diversity, Elizabeth Mrema, speaks about the interlinkages between climate change and biodiversity loss.

Hindou Ibrahim: Living in harmony with nature

“Indigenous peoples are a solution, we are not only a victim of the climate change,” says SDG Advocate and Indigenous rights activists Hindou Ibrahim.

Elliott Harris: Measure the value of nature – before it’s too late

UN Chief Economist Elliott Harris introduces a ground-breaking shift in valuing nature as a way of making more informed decisions about economies, climate action and the protection of biodiversity.

The Ocean – the world’s greatest ally against climate change

The ocean is central to reducing global greenhouse gas emissions. Here are a few reasons we need to safeguard the ocean as our best ally for climate solutions.

Renewable energy – powering a safer future

Derived from natural resources that are abundant and continuously replenished, renewable energy is key to a safer, cleaner, and sustainable world.  Explore common sources of renewable energy here.

Causes and effects of climate change

Fossil fuels are by far the largest contributor to the greenhouse gas emissions that cause climate change, which poses many risks to all forms of life on Earth.

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• What is climate change?
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Cutting emissions

• Explaining net zero
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• What is renewable energy
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AI can ‘transform understanding of biodiversity threats and support action’

A rtificial intelligence (AI) can transform species monitoring to help understand biodiversity threats and measure progress towards nature targets, scientists have said.

The UK Centre for Ecology & Hydrology (UKCEH) said it is working with partners across the world to trial equipment in some of the most biodiverse places in North America, Europe and the tropics.

The solar-powered automated monitoring stations, which can operate without humans for many months, use high-resolution cameras to photograph insects and acoustic equipment to record the calls of birds and bats.

The scientists then use AI software by training computer systems to recognise species from images and recordings.

The UKCEH said the development of the camera systems, recording equipment and recognition software is still at a relatively early stage, but initial trials have been encouraging.

Professor David Roy, a UKCEH and University of Exeter ecologist, said: “The widespread deployment of automated sensors combined with identification of species using AI can transform our understanding of the impacts of environmental change on wildlife and measure progress towards national and international biodiversity targets.

“This will enable us to identify where biodiversity is under threat, the main drivers of change, and to inform solutions to guide local habitat management and address the global biodiversity crisis.”

It comes as a shortage of experts means there are major gaps in scientists’ understanding of where species occur, how populations are changing and what is causing declines and local extinctions, according to the UKCEH.

The organisation said there is an acute shortage of data on insects globally, even though they make up four-fifths of animal life and are vital for healthy ecosystems and food production.

The automated monitoring stations would mean a large amount of long-term, standardised and verifiable data could be generated and processed without labour-intensive field surveys or identification, it added.

The researchers have published a study setting out a template for AI-assisted, image-based monitoring of nocturnal insects, as part of developing a standardised method of automated sensing worldwide.

They said the initial research focuses on insects due to their crucial roles in ecosystems, such as nutrient cycling, food for other creatures, pollination and natural pest control.

The scientists are deploying the monitoring stations in regions that are under-researched in terms of insects, such as Argentina, Panama, Costa Rica, Singapore, Japan and Kenya, as well as in Europe and North America.

From the biodiversity monitoring stations, the researchers access images and recordings remotely, using computers in their offices to process the data and identify species via AI.

However, UKCEH and the Alan Turing Institute are also developing edge processing which will enable images to be analysed on the device, rather than being downloaded and processed later.

Dr Oliver Strickson, senior research software engineer at Turing, said: “This will enable non-expert volunteers to use automated systems to produce lots of data about species on many sites, providing a massive step-change in global biodiversity monitoring.

In terms of the UK, the UKCEH has installed automated camera traps and bioacoustic equipment in farms to monitor the presence of insects, birds, amphibians, bats and small mammals as part of the AgZero+ five-year research programme and to access the effectiveness of British agri-environment schemes. 

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The internet is in decline – it needs rewilding

The online world was meant to be an open system but has become dominated by huge corporations. If we are to revive it, that must end

B rowsing through a history of online public messaging last week, I came across a magical photograph from 1989 or 1990. It shows the world’s first web server. It was Tim Berners-Lee’s NeXT workstation in Cern, the international physics research lab, where he worked at the time. On the case is a tattered sticky label, on which is scribbled, in red ink, “This machine is a server DO NOT POWER IT DOWN!!”

Berners-Lee, a British computer scientist, had come up with the idea for a “world wide web” as a way of locating and accessing documents that were scattered all over the internet. With a small group of colleagues he envisaged, designed and implemented it in the late 1980s and eventually put the whole thing – protocols, server and browser software, HTML specification, etc. – on one of Cern’s internet servers, and in doing so changed the world.

He was able to do this because the internet, which had been publicly available since January 1983, enabled it. The network had no central ownership or controller; and it did only one thing – transfer data packets from one edge of the network to their destination at another edge. If you were smart enough to build an application that used data packets, then the internet would do it for you, no questions asked.

The result was an extraordinary explosion of creativity, and the emergence of what was, essentially, a kind of global commons. At that point in its history, the internet was, as one scholar later described it , “an architecture for permissionless innovation” or, more prosaically, a global machine for springing surprises. The first such surprise was the web. And because it was decided the web would grow better without profit considerations, Berners-Lee released it as a platform that would also enable permissionless innovation.

However, the next generation of innovators to benefit from this freedom – Google, Facebook, Amazon, Microsoft, Apple et al – saw no reason to extend it to anyone else. They built fabulously profitable enterprises on the platform that Berners-Lee had created. The creative commons of the internet has been gradually and inexorably enclosed, much as agricultural land was by parliamentary acts from 1600 onwards in England.

The result, as Maria Farrell and Robin Berjon put it in a striking essay in Noema magazine , is that our online spaces are no longer open ecosystems. Instead “they’re plantations; highly concentrated and controlled environments, closer kin to the industrial farms that madden the creatures trapped within”.

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And these industrial farms have concentrated into a series of duopolies. Google and Apple’s browsers have nearly 85% of the world market share. Microsoft and Apple’s two desktop operating systems have almost 90%. Google runs about 90% of global search. More than half of all phones come from Apple and Samsung, while 99% of mobile operating systems are from Google or Apple. Apple and Google’s email clients manage nearly 90% of global email. GoDaddy and Cloudflare serve about 50% of global domain name system requests. And so on.

One of the consequences of this concentration, say Farrell and Berjon, is that the creative possibilities of permissionless innovation have become increasingly constrained. “Two kinds of everything may be enough to fill a fictional ark,” they write, “but can’t run an open, global ‘network of networks’ where everyone has the same chance to innovate.”

“The internet”, Eric Schmidt, former chairman of Google, famously observed, “is the first thing that humanity has built that humanity doesn’t understand, the largest experiment in anarchy that we have ever had.” Since Dr Schmidt once ran the Google plantation, what he regards as anarchy is doubtless what ecologists would call diversity.

And of course for a plantation owner, diversity is a bug, not a feature. Farrell and Berjon make intriguing use of this metaphor. Their essay opens with an account of the notion of “scientific forestry” took hold in late 18th century Prussia and Saxony when officials began to rearrange their complex, diverse forests into straight rows of single-species trees: “Owners no longer relied on skilled local foresters to manage forests. They were replaced with lower-skilled labourers following basic algorithmic instructions to keep the monocrop tidy, the undergrowth bare.”

You can guess how this panned out. The first felling of the tidy trees yielded vast profits. Fresh trees were then planted, but were attacked by pests and disease. “The first magnificent bounty,” write Farrell and Berjon, “had not been the beginning of endless riches, but a one-off harvesting of millennia of soil wealth built up by biodiversity and symbiosis. Complexity was the goose that laid golden eggs, and she had been slaughtered.” As we Irish discovered in the great famine of 1845-49, monocultures are generally not a good idea and we abandon biodiversity at our peril.

Farrell and Berjon make the same point about our online world: the internet has become an extractive and fragile monoculture. We can revitalise it, but only by “rewilding” it – hence the title of their essay. I guess it will be as attractive to Silicon Valley as George Monbiot is to the National Farmers’ Union.

• Tim Berners-Lee

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Deborah Cotton Made Us Face the Truth About America’s Past

D eborah “Big Red” Cotton and I met by getting shot together. It was a Mother’s Day afternoon during Barack Obama’s second term as America’s first Black president. We were two of 19 people gunned down in the biggest mass shooting in the modern history of New Orleans, a city stained by racism and violence since its time as the biggest slave market in North America. The shooting targeted a second line parade, an iconic local ritual that evolved from the burial rites enslaved Africans brought with them to Louisiana starting in 1722 and that later helped give birth to jazz. To desecrate such a sacred gathering, New Orleans singer John Boutte said, was “ like bringing a gun to church and starting to shoot people. It’s just hateful.”

Gravely wounded, Cotton was not expected to live through the night. But she held on long enough to dictate a statement that a close friend delivered to a hastily called City Council meeting. A day after the shooting, a surveillance video had surfaced that showed a Black man watching as the parade passed left to right. Suddenly, the man plunged into the crowd—which consisted almost entirely of Black men, women, and children—and began firing a handgun at point blank range. As people ran and threw themselves to the ground in terror, the gunman kept firing until he emptied his weapon, then ran away.

Cotton’s City Council statement implored the people of New Orleans to stop and think before passing judgment. “Do you know what it takes to be so disconnected in your heart that you walk out into a gathering of hundreds of people who look just like you and begin firing?” she asked.  Alluding to the bleak circumstances facing many young Black men in New Orleans—parents absent or impoverished, abysmal schools, rampant gang and police violence, few job options beyond menial labor or drug dealing—she added, “These young men have been separated from us by so much trauma.”

Thanks to what Cotton and the police officers investigating the shooting both labeled “a miracle,” she did live through the night. In fact, I connected with her in New Orleans a few months later. She’d been discharged from the hospital by then, though her return to normal life was uncertain at best. Some vital organs had been severely compromised or outright removed. The doctors said she had many more surgeries ahead.

When we spoke, after telling me to call her "Deb," she shared that she often felt nauseous, anxious, and sometimes depressed these days. Yet she evinced not the slightest anger toward the two gunmen who had shot us and seventeen other people at a ritual that, as she well knew, was sacred to Black identity in New Orleans. Instead, she reiterated her initial response.

“I try to put myself in other people’s shoes in life,” Cotton told me. “I asked myself, ‘What has happened to put those young men in such a dead-hearted place that they would shoot into a crowd of people who looked just like them?’  That’s what’s so striking to me. They weren’t shooting at white men; they weren’t shooting at Black women. They were shooting at other Black men. There’s a level of self-hatred there that is so profound. It’s like they’re trying to wipe themselves out.”

Today, Cotton’s message of mercy and understanding toward people who have done us harm, or who we fear will do us harm, is much-needed balm for a nation that has been polarized by figures and forces spreading division and hatred.  When I first got to know her, Cotton’s ability to forgive made me think of her as a saint.  As I went on to write a book about the Mother’s Day shooting, I also came to see her as a prophet.  

Cotton’s belief in forgiveness, I learned, was no straightforward act of Christian charity; it was accompanied by her clear-eyed, historically grounded warning that horrors like the Mother’s Day shooting—and, for that matter, the election of an unabashed racist to succeed the nation’s first Black president—would continue to happen in the United States until the circumstances underlying those horrors were honestly named and confronted. Elaborating on her reasons for forgiving the Mother’s Day gunmen, she later explained to me that, “Racism can kill Black people even when a Black finger pulls the trigger.”

Read More: James Baldwin Insisted We Tell the Truth About This Country. The Truth Is, We’ve Been Here Before

To remedy the legacies of slavery that fueled such horrors, she advocated a strategy of truth and reconciliation, a version of which had helped South Africa to navigate the transition from apartheid to democracy in the 1990s. (As Cotton and I got to know one another, we were happy to discover that the anti-apartheid struggle had loomed large in both of our political comings of age. She even confessed to feeling a tiny bit jealous that I had been arrested with Archbishop Desmond Tutu protesting apartheid at South Africa’s embassy in Washington, D.C.)

When Nelson Mandela emerged from 27 years in prison to lead a new South Africa, the country had just fought a bloody civil war after nearly 100 years of repression of the Black and mixed-race majority by the white minority.  It was far from clear that South Africa would not descend back into violence, much less that it could evolve into a unified country with freedom and equality for all.

South Africa’s Truth and Reconciliation Commission was designed to enable South Africans to move forward “on the basis that there is a need for understanding but not for vengeance, a need for reparation but not for retaliation, a need for ubuntu [an African word connoting communal solidarity] but not for victimization.”  The Commission conducted a nationwide conversation about what happened during apartheid. Victims were invited to testify about injustices. Security officials could apply for amnesty from prosecution, provided they told the whole truth about their wrongdoings. The Commission aimed to establish a truthful record of what apartheid had done, present this truth to the South African people, and thereby lay the groundwork for a reconciliation among contending segments of the population so the country could heal.

Tutu, who chaired the Commission, later ventured that the U.S. might also benefit from a truth and reconciliation process. In words that mirror Cotton’s perception of the Mother’s Day gunmen, he wrote that victims of apartheid “often ended up internalizing the definition the top dogs had of them. . . . And then the awful demons of self-hate and self-contempt, a hugely negative self-image, took its place in the center of the victim’s being. . . . Society has conspired to fill you with self-hate, which you then project outward.”

How a racial truth and reconciliation process would operate in the U.S. is a complex question. But the necessary first step is to tell the truth. After the neo-Nazi march in Charlottesville in the opening months of the Trump presidency, civil rights leader Bryan Stevenson said that only after Americans acknowledged the truth about their past could they hope to consign such outbursts of racist hatred to history. “You have to tell the truth before you can get to reconciliation,” he said in an interview with The Guardian , “and culturally we have done a terrible job of truth telling in this country about our history of racial inequality.”

Facing unpleasant truths about America’s past is not easy, but no one should blame themselves for being unaware of those truths in the first place. America’s schools, churches, legal and political systems, and news media have obscured the truth about race and slavery since before the nation’s birth. Teachers, parents, clergy, coaches, neighbors, and employers have passed down harmful habits of word and deed to younger generations. Those inherited patterns are part of what makes racism a systemic condition rather than an individual shortcoming.

After a White supremacist massacred nine Black people in a church in Charleston, South Carolina, in 2015 hoping to trigger a race war, a white man named Garry Civitello called in to a national TV show and asked, “How can I be less racist?” Heather McGhee, a Black scholar on the show, praised Civitello for his desire to change. She suggested that he get to know some Black people and read some Black history. Civitello ended up not voting for Trump in 2016, even though nearly all the white people around him in rural North Carolina did. In a comment countless Americans might echo if they read the history books McGhee had recommended to him, Civitello marveled that, “There are so many things I did not know that I thought I knew.”

Deborah Cotton eventually succumbed to her wounds—she died four years after the shooting—but she lost her faith in truth and reconciliation.  After recovering her health sufficiently to work part-time, she took a job with the Alliance for Safety and Justice, a nonprofit that worked to reform the criminal justice system, including the mass incarceration of people of color. Shortly after Trump was elected in 2016, Cotton was invited to address a conference of government officials and legal experts in Louisiana’s state capital. The first speaker was an older white woman who had lost her son to gun violence. The woman argued forcefully against reforming current practices, insisting that her son’s killers never be allowed back on the streets.

“Then I got up,” Cotton later told me, “and I said that the young men who shot me and the other people on Mother’s Day should be punished, but I didn’t think they should spend the rest of their lives in prison. I said I thought those young men could redeem themselves and make a positive contribution to society if we would consider alternatives to life in prison. After the panel was over, a long line of people came up and wanted to talk with me, take my card, have me come speak to their organization, and whatnot. That felt so good. My statement and presence sent a very different message than people usually hear from victims of crime.”

Driving home afterwards, Cotton found herself actually feeling grateful that she’d been shot. “During the first year after the shooting,” she told me, “I often felt like I didn’t want to live anymore. I wasn’t going to take action myself, but many days I thought, ‘Just let me go.’ Now, I feel like if getting shot was what put me in the position to do this work, then I’m glad I was shot.”

“Wait—are you serious?” I asked. “Glad you got shot? I’m glad you survived, but I’m sure as hell not glad you were shot.”

“Yeah, I’m serious,” Cotton replied. “That’s just how I feel.”

Excerpted from Big Red's Mercy: The Shooting of Deborah Cotton and a Story of Race in America by Mark Hertsgaard. Published by Pegasus Books, May 7 th 2024

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'This World Doesn't Exist. We Don't Live There.' New Book Imagines a World Without Male Violence (Exclusive)

In Tessa Fontaine's debut novel, 'The Red Grove,' a group of women are immune to violence. Here, she examines what that safety might feel like

Max Cooper, MacMillan

I’m a freshman at UC Santa Barbara, and like most days, I’m on a run. I’ve already determined my favorite trail, a dirt path that winds along a giant scrubby bluff, wild-feeling while still close to my dorm, pelicans swooping nearby and dolphins sometimes playing in the ocean below. It’s technically on campus, but I don’t usually see many people.

Per usual, I’m wearing running shorts and a T-shirt. I have never been the kind of person who ran in spandex or a sports bra, too risky, too showy. I never wear headphones. In part, I like for my mind to wander when I run, but more than that, it isn’t safe. I know this; I have always known this. You’ve got to be able to hear someone coming up behind you.

The early evening sun is warm on my skin as I round a corner and there, beside a tree, is a man with his pants around his knees. He is masturbating, looking me dead in the eye. I startle a little, let out an oh , and then turn around and run quickly back the other way. I listen, but he isn’t coming after me. 

Maybe I tell a few friends about it, maybe I don’t; I can’t remember. He wasn’t the first public masturbator I’d seen, and he won’t be the last. What’s remarkable about this experience is only how unremarkable it is. Nothing bad had happened, really, but it was my imagining how much worse it could have been, what someone like that would have wanted had he chased me, that seeped in. 

UCSB Library/Wikimedia Commons/CC BY 2.0

I started to change. Not all at once, and not just from that one incident, but the accumulation of all these moments and stories from friends and news reports and movies and statistics. The woman raped and murdered on her run. The woman beaten by a boyfriend with no history of violence. The woman stalked, kidnapped, killed while walking home alone. It’s not what has happened to me; it’s what I can always imagine might.

I’m fiercely independent, the first to say yes to an adventure or challenge, and so it kills me to admit all this. And yet, when I’m alone on a trail or even in a city, I make casual plans in the back of my mind for what I might grab nearby to use as a weapon. I avoid twilight and make the right amount of eye contact with men I pass — too much and you’re inviting, too little and you’re a snob — and obviously never run in the dark, every girl grows up learning that.

The man on the bluff does not register in my catalog of important life events, falling instead into a category of experience that will happen again and again, and in that way, I am extremely lucky. Unlike so many friends of mine, I do not carry major sexual trauma. The luck of this feels like a ticking clock, which might, at any time, go off. 

Years later, I am writing my debut novel The Red Grove , which centers on a community of women who believe themselves immune to violence. In their valley, a special protection prevents any violence from befalling them. The deeper into this world I went, the more I realized how absolutely foreign this experience would feel. Because what might change if I were never worried about violence? If I never spent time imagining someone around a corner with his pants down, who might chase me down? If that girl weren’t ever afraid, where might she run, and when? What else would be different that I couldn’t even conceive of?

I began formulating my own answers, and to a wide swath of women in my life, I sent this question: “What would you do differently, now or in the past, if you didn’t have to worry about male violence?”

The recipients spanned ages, locations, sexual identities, races and cultures. And I got a lot of answers — amazingly thoughtful, insightful, devastating answers. 

“I would have driven alone across the country,” a friend wrote back right away. “And gone camping alone and into bars and on motorcycle through the countryside of Europe by myself.” 

Another friend said she “might have had success in some areas because I wouldn’t have had to always worry about the things that women worry about: being attractive, being nice, being available and attentive to others in my life, being a good wife, being a good mother, being a good daughter, being responsible for making sure others are happy and fed, making sure I fit in, etc.”

And another: “The immense drop in my constant, general sense of vigilance would leave room for... what? I would be so different it's hard to imagine how.”

Cavan Images/Getty Images

“I wonder what kind of fairy tales we would have (less damsel, for sure), what kind of stories we would tell, and how identity would be shaped if we didn't have to spend so much energy on being so careful all of the time,” another person said.

I was floored by how profoundly people I loved and respected thought their lives might be different — better — without this lifelong vigilance. How different their imagined versions of their truest selves were.

So many people said they’d do more things alone. That they’d explore their sexuality more, and push the boundaries of gender expression, friendships with men, kindness toward strangers, more dancing, fewer bras, more traveling, less smiling unless they actually wanted to smile, more nighttime exploration, more nudity, more outward expression of who they are that they are afraid to claim. They — we — would be more confident in who we are. 

The world I invented in The Red Grove is fiction; we don’t live there. I don’t know if we ever will. But I have liked imagining it for the younger me, running along that bluff in twilight. I like vanishing from her brain the shadows of things she knows happen in the world: poof , no need to imagine a dangerous man up ahead. Poof , no image of your perfectly gentle boyfriend strangling you, as a friend’s boyfriend did not long before. Without all that imagined violence, what else might take up space? 

Never miss a story — sign up for  PEOPLE's free daily newsletter  to stay up-to-date on the best of what PEOPLE has to offer , from celebrity news to compelling human interest stories. 

The Red Grove is out May 14, and is available for preorder now, wherever books are sold.

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Policy has tightened a lot. how tight is it (an update).

May 7, 2024

Over the past few years, I have published a series of essays assessing where we are in our inflation fight and highlighting some important questions policymakers are facing. My most recent essay was in February of this year, where I questioned how much monetary policy was actually restraining demand. This essay is an update to that commentary, and I now examine the current stance of monetary policy in more detail. 1

I will argue that the Federal Open Market Committee (FOMC) has tightened policy significantly, compared with prior cycles, both in absolute terms and relative to the market’s understanding of neutral. But I will also observe that the housing market is proving more resilient to that tight policy than it generally has in the past. Given that housing is a key channel through which monetary policy affects the economy, its resilience raises questions about whether policymakers and the market are misperceiving neutral, at least in the near term. It is possible that once the reopening dynamics of the post-COVID economy have concluded, the macro forces that drove the low-rate environment that existed before the pandemic will reemerge, pulling neutral back down. But the FOMC must set policy based on where neutral is in the short run to achieve our dual mandate goals in a reasonable period of time. The uncertainty about where neutral is today creates a challenge for policymakers.

Economic Update

Since my last update in February, two significant economic developments have occurred simultaneously: Inflation appears to have stopped falling and economic activity has proven resilient, continuing the robust activity we saw in the latter half of 2023.

The FOMC targets 12-month headline inflation of 2 percent. While we saw rapid disinflation in the second half of 2023, that progress appears to have stalled in the most recent quarter (see Figure 1). The question we now face is whether the disinflationary process is in fact still underway, merely taking longer than expected, or if inflation is instead settling to around a 3 percent level, suggesting that the FOMC has more work to do to achieve our dual mandate goals.

During this time, economic activity has continued to show remarkable strength, as shown in Figure 2. While the most recent headline GDP appears somewhat weaker than prior quarters, that slowdown was driven largely by inventories and net exports. Underlying domestic demand remained strong.

The labor market, the other half of our dual mandate, has also remained strong with the unemployment rate at a historically low 3.9 percent.

Policy Is Much Tighter than the Pre-pandemic Period

In prior essays I wrote that the single best proxy for the overall stance of monetary policy is the long-term real rate, specifically the 10-year Treasury inflation-protected securities (TIPS) yield. Focusing on a long-term rate incorporates the expected path of both the federal funds rate and balance sheet, not just the current level of the federal funds rate. Moreover, it adjusts the expected path of policy by expected future inflation—the relevant comparison—rather than by recently realized inflation.

As I noted in earlier essays, prior to the pandemic the 10-year real yield was about zero, which I estimate was roughly a neutral policy stance at that time. In response to the pandemic, the FOMC acted aggressively to support the economy by driving the federal funds rate to the effective lower bound and massively expanding our balance sheet. Those combined effects drove the 10-year real yield to roughly -1 percent, as shown in Figure 3. Since we began our tightening cycle two years ago, 10-year real yields have more than fully retraced their pandemic decline and are now around 2.2 percent. Thus, we are clearly in a tighter stance now than immediately before the pandemic.

This Tightening Cycle Appears to Be as Aggressive as the 1994 Cycle

Data from the TIPS market only go back 20 years or so; thus, to evaluate earlier tightening cycles one must make a number of assumptions about the neutral rate and about inflation expectations.

I do not think comparisons to the 1970s and early 1980s are particularly relevant to us today because in those decades, the FOMC had to establish its inflation-fighting credibility, so the required monetary tightening was very large.

The tightening cycle in 1994 might be a better benchmark because at that time, as is true now, the FOMC had a lot of credibility with the public. Inflation was not as high in 1994, however, as it was in this episode. So it is not a perfect comparison either.

Minneapolis Fed staff’s best estimate is that when the FOMC raised the policy rate by 300 basis points in the 1994 tightening cycle, this translated into an increase of about 200 basis points in the 10-year real rate (Figure 4), which was coincidentally also about 200 basis points above the then-neutral 10-year real rate. So that is the key: It seems as though policy drove the 10-year real rate about 200 basis points above neutral.

How does that compare to our current tightening cycle? (See Figure 3.) If my estimate of neutral being zero before the pandemic still holds, then we have accomplished similar or a bit more tightening in this cycle than was achieved in the 1994 tightening cycle.

Yield Curve Suggests Policy Is Tight

As I stated earlier, the underlying inflationary dynamics are quite different today than in 1994, so simply repeating the 1994 tightening might not be enough. And perhaps the unique dynamics of the post-COVID reopening economy have caused neutral to increase.

Another indicator I look at to assess the stance of monetary policy is the shape of the yield curve. Specifically, if the yield curve is inverted, it might indicate that monetary policy is in a contractionary stance. A lot of public attention is given to the yield curve, and there is a robust debate about whether an inverted yield curve is a reliable recession indicator. I wrote about this in 2018. Setting aside its usefulness as a predictor of recessions, the yield curve does seem to give some indication of the stance of monetary policy. The long end of the yield curve should offer some signal of where market participants believe interest rates will settle once current economic and policy shocks have run their course; if markets understand that neutral has moved, it should be reflected in the long end of the curve. If current short rates are higher than long rates, then that might signal an overall tight stance of policy today. Figure 5 shows the history of the (nominal) yield curve with a number of inversions over the past 50 years, including the current inversion. 2

Depending on the specific measures chosen, the yield curve has now been inverted for more than 20 months, which is a relatively long and somewhat deeper inversion than most prior cycles, the Volcker disinflation period being the exception. The current inverted yield curve suggests that policy is in fact tight relative to the market’s understanding of neutral.

The Resilience in the Housing Market Nonetheless Raises Questions

Housing is traditionally the most interest-rate-sensitive sector of the economy. Prior yield curve inversions also coincided with a marked slowdown or even contraction in residential investment, as shown in Figure 6. Curiously, while residential investment fell in the first part of our tightening cycle, it has since reversed and has grown 5 percent over the past year.

What could explain this apparent resilience in residential real estate given monetary policy that has led to an inverted yield curve? We know that following the Global Financial Crisis, the country built far fewer housing units than were needed to keep up with population growth and household formation. Thus, there appears to be a significant shortage of housing that will take a long time to close. In addition, responses to COVID have led to an increase in people working from home, and that has led to increased demand for housing. In recent years there has also been a significant increase in immigration. While the long-run effect of increased immigration on inflation is unclear, immigrants nonetheless need a place to live, and their arrival in the U.S. has likely also increased demand for housing. Policy actions by the FOMC have driven 30-year mortgage rates from around 4.0 percent prior to the pandemic to around 7.5 percent today. Perhaps that level of mortgage rates is not as contractionary for residential investment as it would have been absent these unique factors which are driving housing demand higher. In other words, perhaps a neutral rate for the housing market is higher than before the pandemic.

Other Signals from the Real Economy Are Mixed

Monetary policy is a blunt instrument that eventually affects virtually the entire economy, not only housing. While high interest rates may not be slowing housing as much as in prior tightening cycles, it is nonetheless having an impact on other sectors of the economy. For example, auto loan and credit card delinquencies have increased from very low levels and are now at rates higher than existed before the pandemic, indicating that some consumers are feeling stress from increased borrowing costs. Overall, however, economic activity, consumer spending and the labor market have proven surprisingly resilient.

The FOMC has undeniably tightened policy meaningfully, both relative to the pre-pandemic period and to some prior tightening cycles. Nonetheless, it is hard for me to explain the robust economic activity that has persisted during this cycle. My colleagues and I are of course very happy that the labor market has proven resilient, but, with inflation in the most recent quarter moving sideways, it raises questions about how restrictive policy really is. If policymakers and market participants are misperceiving the neutral policy rate, that could explain the constellation of data we are observing. This is also a communication challenge for policymakers. In my own Summary of Economic Projections (SEP) submission, I have only modestly increased my longer-run nominal neutral funds rate level from 2 percent to 2.5 percent. The SEP does not provide a simple way to communicate the possibility that the neutral rate might be at least temporarily elevated.

1 These comments reflect my own views and may not necessarily represent the views of others in the Federal Reserve System or of the Federal Open Market Committee.

2 Conceptually, the real yield curve is a better measure of the stance of monetary policy than the nominal yield curve. That said, because nominal and real spreads have been quite similar over the past 18 months, the nominal spread in Figure 5 currently provides an equivalent measure of the stance of monetary policy. I plot nominal yields in Figure 5 simply because they are available for a longer time period than TIPS yields.

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Policy Has Tightened a Lot. How Tight Is It?

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Guest Essay

Let’s All Take a Deep Breath About China

By Rory Truex

Dr. Truex is an associate professor at Princeton University whose research focuses on Chinese authoritarianism.

The amygdala is a pair of neural clusters near the base of the brain that assesses danger and can help prompt a fight-or-flight response . A prolonged stress response may contribute to anxiety, which can cause people to perceive danger where there is none and obsess about worst-case scenarios.

America’s collective national body is suffering from a chronic case of China anxiety. Nearly anything with the word “Chinese” in front of it now triggers a fear response in our political system, muddling our ability to properly gauge and contextualize threats. This has led the U.S. government and American politicians to pursue policies grounded in repression and exclusion, mirroring the authoritarian system that they seek to combat.

Congress has moved to force the sale of TikTok , the Chinese-owned social media application; some states have sought restrictions on Chinese individuals or entities owning U.S. land and on Chinese researchers working in American universities ; and the federal government has barred certain Chinese technology firms from competing in our markets. These measures all have a national security rationale, and it is not my intention here to weigh the merits of every one. But collectively they are yielding a United States that is fundamentally more closed — and more like China in meaningful ways.

When you are constantly anxious, no threat is too small. In January, Rick Scott, a senator from Florida, introduced legislation that would ban imports of Chinese garlic, which he suggested could be a threat to U.S. national security , citing reports that it is fertilized with human sewage. In 2017, scientists at McGill University wrote there is no evidence that this is the case. Even if it was, it’s common practice to use human waste, known as “biosolids,” as fertilizer in many countries, including the United States.

More recently, Senator Tom Cotton and Representative Elise Stefanik introduced legislation that would bar the Department of Defense from contracting with Tutor.com, a U.S.-based tutoring company, on the grounds that it poses a threat to national security because it was purchased by Primavera Capital Group, an investment firm based in Hong Kong. Their argument is that this could give the Chinese government backdoor access to the tutoring sessions and personal information of American military personnel who use the firm’s service.

The legislation does not mention that Tutor.com’s student data is housed in the United States , that it volunteered for a security review by the federal Committee on Foreign Investment in the United States and that it created additional levels of data security protection in coordination with the U.S. government. The bill also does not specify how exactly the Chinese government would get access to Tutor.com’s data or what use it would actually have for information on the tutoring sessions of U.S. military personnel.

Last summer, several Republican lawmakers cried foul over the “Barbie” movie because a world map briefly shown in the background of one scene included a dashed line. They took this as a reference to China’s “nine-dashed line,” which Beijing uses to buttress its disputed territorial claims in the South China Sea. According to Representative Jim Banks, this is “endangering our national security.” The map in the movie is clearly fantastical, had only eight dashes and bore no resemblance to China’s line. Even the Philippine government, which has for years been embroiled in territorial disputes with China in the South China Sea, dismissed the controversy and approved the movie’s domestic release.

Of course, the United States should actively confront President Xi Jinping of China about his repression at home and aggression abroad. As a scholar of China’s political system, I worry about how Mr. Xi has made his country even more authoritarian; about increasing human rights abuses in China, particularly those directed at the Uyghur population in Xinjiang ; about Beijing’s crackdown on Hong Kong, its threats toward Taiwan, its increasingly cozy relationship with Russia and its support for the war in Ukraine . America must remain alert to legitimate concerns about well-documented Chinese activities such as espionage and cyberattacks.

But should our policymakers really be focusing on Tutor.com, Chinese garlic or “Barbie”? Or should they concentrate on the more serious threats posed by China’s authoritarian system, or the many other issues that meaningfully affect the day-to-day lives of Americans?

Perhaps the most worrisome effect is that China anxiety is slowly creeping toward discrimination against Chinese Americans, a new “yellow peril.” We’ve already seen how an initiative begun during the Trump administration to target Chinese espionage led to unfair scrutiny of Chinese researchers and even Asian American government employees, leading to the program being terminated in 2022. And we saw how xenophobia during the pandemic triggered threats and attacks against Asian Americans. There also have been numerous reports of law enforcement officials interrogating Chinese students and researchers traveling to and from China on the grounds that they may be agents of the Chinese state. Again, this treatment — being brought in for questioning by the police or government officials — is something foreign scholars experience in China , where it is euphemistically referred to as “being invited for tea.”

Last year, state legislators in Texas proposed a bill that initially sought to prevent Chinese (as well as Iranian, North Korean and Russian) citizens and entities from buying land, homes or other real estate, citing concerns about the security of the food supply. Putting aside the fact that Chinese citizens are not the Chinese government, the actual amount of American farmland owned by Chinese entities is negligible — never exceeding 1 percent of farmland in any given American state as of 2021. The bill ultimately failed , but only after substantial pushback from the Chinese American community.

This China panic, also stirred up by both liberal and conservative U.S. media, may be influencing how average people perceive their fellow Americans of Chinese heritage. Michael Cerny, a fellow China researcher, and I recently surveyed over 2,500 Americans on the question of whether Chinese Americans who were born in the United States should be allowed to serve in the U.S. intelligence community. Roughly 27 percent said Chinese Americans’ access to classified information should be more limited than for other U.S. citizens, and 14 percent said they should be allowed no access at all.

This is overt racism, and while not the majority opinion, it is concerning that so many Americans are blurring the line between the Chinese government and people of Chinese ethnicity, mirroring the language of our politicians.

China is a formidable geopolitical rival. But there is no world in which garlic, “Barbie” or a tutoring site poses meaningful threats to American national security. Labeling them as such reveals a certain lack of seriousness in our policy discourse.

If the United States is to properly compete with China, it’s going to require healthy, balanced policymaking that protects U.S. national security without compromising core American values.

Let’s take a deep breath.

Rory Truex (@rorytruex) is an associate professor of politics and international affairs at Princeton University, where he teaches courses on Chinese politics and authoritarian rule.

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