5 page essay on global warming

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Essay on Global Warming

• Updated on  
• Apr 27, 2024

Being able to write an essay is an integral part of mastering any language. Essays form an integral part of many academic and scholastic exams like the SAT , and UPSC amongst many others. It is a crucial evaluative part of English proficiency tests as well like IELTS , TOEFL , etc. Major essays are meant to emphasize public issues of concern that can have significant consequences on the world. To understand the concept of Global Warming and its causes and effects, we must first examine the many factors that influence the planet’s temperature and what this implies for the world’s future. Here’s an unbiased look at the essay on Global Warming and other essential related topics.

Short Essay on Global Warming and Climate Change?

Since the industrial and scientific revolutions, Earth’s resources have been gradually depleted. Furthermore, the start of the world’s population’s exponential expansion is particularly hard on the environment. Simply put, as the population’s need for consumption grows, so does the use of natural resources , as well as the waste generated by that consumption.

Climate change has been one of the most significant long-term consequences of this. Climate change is more than just the rise or fall of global temperatures; it also affects rain cycles, wind patterns, cyclone frequencies, sea levels, and other factors. It has an impact on all major life groupings on the planet.

Also Read: World Population Day

What is Global Warming?

Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century, primarily due to the greenhouse gases released by people burning fossil fuels . The greenhouse gases consist of methane, nitrous oxide, ozone, carbon dioxide, water vapour, and chlorofluorocarbons. The weather prediction has been becoming more complex with every passing year, with seasons more indistinguishable, and the general temperatures hotter.

The number of hurricanes, cyclones, droughts, floods, etc., has risen steadily since the onset of the 21st century. The supervillain behind all these changes is Global Warming. The name is quite self-explanatory; it means the rise in the temperature of the Earth.

Also Read: What is a Natural Disaster?

What are the Causes of Global Warming?

According to recent studies, many scientists believe the following are the primary four causes of global warming:

• Deforestation 
• Greenhouse emissions
• Carbon emissions per capita

Extreme global warming is causing natural disasters , which can be seen all around us. One of the causes of global warming is the extreme release of greenhouse gases that become trapped on the earth’s surface, causing the temperature to rise. Similarly, volcanoes contribute to global warming by spewing excessive CO2 into the atmosphere.

The increase in population is one of the major causes of Global Warming. This increase in population also leads to increased air pollution . Automobiles emit a lot of CO2, which remains in the atmosphere. This increase in population is also causing deforestation, which contributes to global warming.

The earth’s surface emits energy into the atmosphere in the form of heat, keeping the balance with the incoming energy. Global warming depletes the ozone layer, bringing about the end of the world. There is a clear indication that increased global warming will result in the extinction of all life on Earth’s surface.

Also Read: Land, Soil, Water, Natural Vegetation, and Wildlife Resources

Solutions for Global Warming

Of course, industries and multinational conglomerates emit more carbon than the average citizen. Nonetheless, activism and community effort are the only viable ways to slow the worsening effects of global warming. Furthermore, at the state or government level, world leaders must develop concrete plans and step-by-step programmes to ensure that no further harm is done to the environment in general.

Although we are almost too late to slow the rate of global warming, finding the right solution is critical. Everyone, from individuals to governments, must work together to find a solution to Global Warming. Some of the factors to consider are pollution control, population growth, and the use of natural resources.

One very important contribution you can make is to reduce your use of plastic. Plastic is the primary cause of global warming, and recycling it takes years. Another factor to consider is deforestation, which will aid in the control of global warming. More tree planting should be encouraged to green the environment. Certain rules should also govern industrialization. Building industries in green zones that affect plants and species should be prohibited.

Also Read: Essay on Pollution

Effects of Global Warming

Global warming is a real problem that many people want to disprove to gain political advantage. However, as global citizens, we must ensure that only the truth is presented in the media.

This decade has seen a significant impact from global warming. The two most common phenomena observed are glacier retreat and arctic shrinkage. Glaciers are rapidly melting. These are clear manifestations of climate change.

Another significant effect of global warming is the rise in sea level. Flooding is occurring in low-lying areas as a result of sea-level rise. Many countries have experienced extreme weather conditions. Every year, we have unusually heavy rain, extreme heat and cold, wildfires, and other natural disasters.

Similarly, as global warming continues, marine life is being severely impacted. This is causing the extinction of marine species as well as other problems. Furthermore, changes are expected in coral reefs, which will face extinction in the coming years. These effects will intensify in the coming years, effectively halting species expansion. Furthermore, humans will eventually feel the negative effects of Global Warming.

Also Read: Concept of Sustainable Development

Sample Essays on Global Warming

Here are some sample essays on Global Warming:

Essay on Global Warming Paragraph in 100 – 150 words

Global Warming is caused by the increase of carbon dioxide levels in the earth’s atmosphere and is a result of human activities that have been causing harm to our environment for the past few centuries now. Global Warming is something that can’t be ignored and steps have to be taken to tackle the situation globally. The average temperature is constantly rising by 1.5 degrees Celsius over the last few years.

The best method to prevent future damage to the earth, cutting down more forests should be banned and Afforestation should be encouraged. Start by planting trees near your homes and offices, participate in events, and teach the importance of planting trees. It is impossible to undo the damage but it is possible to stop further harm.

Also Read: Social Forestry

Essay on Global Warming in 250 Words

Over a long period, it is observed that the temperature of the earth is increasing. This affected wildlife, animals, humans, and every living organism on earth. Glaciers have been melting, and many countries have started water shortages, flooding, and erosion and all this is because of global warming. 

No one can be blamed for global warming except for humans. Human activities such as gases released from power plants, transportation, and deforestation have increased gases such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere.                                              The main question is how can we control the current situation and build a better world for future generations. It starts with little steps by every individual. 

Start using cloth bags made from sustainable materials for all shopping purposes, instead of using high-watt lights use energy-efficient bulbs, switch off the electricity, don’t waste water, abolish deforestation and encourage planting more trees. Shift the use of energy from petroleum or other fossil fuels to wind and solar energy. Instead of throwing out the old clothes donate them to someone so that it is recycled. 

Donate old books, don’t waste paper.  Above all, spread awareness about global warming. Every little thing a person does towards saving the earth will contribute in big or small amounts. We must learn that 1% effort is better than no effort. Pledge to take care of Mother Nature and speak up about global warming.

Also Read: Types of Water Pollution

Essay on Global Warming in 500 Words

Global warming isn’t a prediction, it is happening! A person denying it or unaware of it is in the most simple terms complicit. Do we have another planet to live on? Unfortunately, we have been bestowed with this one planet only that can sustain life yet over the years we have turned a blind eye to the plight it is in. Global warming is not an abstract concept but a global phenomenon occurring ever so slowly even at this moment. Global Warming is a phenomenon that is occurring every minute resulting in a gradual increase in the Earth’s overall climate. Brought about by greenhouse gases that trap the solar radiation in the atmosphere, global warming can change the entire map of the earth, displacing areas, flooding many countries, and destroying multiple lifeforms. Extreme weather is a direct consequence of global warming but it is not an exhaustive consequence. There are virtually limitless effects of global warming which are all harmful to life on earth. The sea level is increasing by 0.12 inches per year worldwide. This is happening because of the melting of polar ice caps because of global warming. This has increased the frequency of floods in many lowland areas and has caused damage to coral reefs. The Arctic is one of the worst-hit areas affected by global warming. Air quality has been adversely affected and the acidity of the seawater has also increased causing severe damage to marine life forms. Severe natural disasters are brought about by global warming which has had dire effects on life and property. As long as mankind produces greenhouse gases, global warming will continue to accelerate. The consequences are felt at a much smaller scale which will increase to become drastic shortly. The power to save the day lies in the hands of humans, the need is to seize the day. Energy consumption should be reduced on an individual basis. Fuel-efficient cars and other electronics should be encouraged to reduce the wastage of energy sources. This will also improve air quality and reduce the concentration of greenhouse gases in the atmosphere. Global warming is an evil that can only be defeated when fought together. It is better late than never. If we all take steps today, we will have a much brighter future tomorrow. Global warming is the bane of our existence and various policies have come up worldwide to fight it but that is not enough. The actual difference is made when we work at an individual level to fight it. Understanding its import now is crucial before it becomes an irrevocable mistake. Exterminating global warming is of utmost importance and each one of us is as responsible for it as the next.  

Also Read: Essay on Library: 100, 200 and 250 Words

Essay on Global Warming UPSC

Always hear about global warming everywhere, but do we know what it is? The evil of the worst form, global warming is a phenomenon that can affect life more fatally. Global warming refers to the increase in the earth’s temperature as a result of various human activities. The planet is gradually getting hotter and threatening the existence of lifeforms on it. Despite being relentlessly studied and researched, global warming for the majority of the population remains an abstract concept of science. It is this concept that over the years has culminated in making global warming a stark reality and not a concept covered in books. Global warming is not caused by one sole reason that can be curbed. Multifarious factors cause global warming most of which are a part of an individual’s daily existence. Burning of fuels for cooking, in vehicles, and for other conventional uses, a large amount of greenhouse gases like carbon dioxide, and methane amongst many others is produced which accelerates global warming. Rampant deforestation also results in global warming as lesser green cover results in an increased presence of carbon dioxide in the atmosphere which is a greenhouse gas.  Finding a solution to global warming is of immediate importance. Global warming is a phenomenon that has to be fought unitedly. Planting more trees can be the first step that can be taken toward warding off the severe consequences of global warming. Increasing the green cover will result in regulating the carbon cycle. There should be a shift from using nonrenewable energy to renewable energy such as wind or solar energy which causes less pollution and thereby hinder the acceleration of global warming. Reducing energy needs at an individual level and not wasting energy in any form is the most important step to be taken against global warming. The warning bells are tolling to awaken us from the deep slumber of complacency we have slipped into. Humans can fight against nature and it is high time we acknowledged that. With all our scientific progress and technological inventions, fighting off the negative effects of global warming is implausible. We have to remember that we do not inherit the earth from our ancestors but borrow it from our future generations and the responsibility lies on our shoulders to bequeath them a healthy planet for life to exist. 

Also Read: Essay on Disaster Management

Climate Change and Global Warming Essay

Global Warming and Climate Change are two sides of the same coin. Both are interrelated with each other and are two issues of major concern worldwide. Greenhouse gases released such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere cause Global Warming which leads to climate change. Black holes have started to form in the ozone layer that protects the earth from harmful ultraviolet rays. 

Human activities have created climate change and global warming. Industrial waste and fumes are the major contributors to global warming. 

Another factor affecting is the burning of fossil fuels, deforestation and also one of the reasons for climate change.  Global warming has resulted in shrinking mountain glaciers in Antarctica, Greenland, and the Arctic and causing climate change. Switching from the use of fossil fuels to energy sources like wind and solar. 

When buying any electronic appliance buy the best quality with energy savings stars. Don’t waste water and encourage rainwater harvesting in your community. 

Also Read: Essay on Air Pollution

Tips to Write an Essay

Writing an effective essay needs skills that few people possess and even fewer know how to implement. While writing an essay can be an assiduous task that can be unnerving at times, some key pointers can be inculcated to draft a successful essay. These involve focusing on the structure of the essay, planning it out well, and emphasizing crucial details.

Mentioned below are some pointers that can help you write better structure and more thoughtful essays that will get across to your readers:

• Prepare an outline for the essay to ensure continuity and relevance and no break in the structure of the essay
• Decide on a thesis statement that will form the basis of your essay. It will be the point of your essay and help readers understand your contention
• Follow the structure of an introduction, a detailed body followed by a conclusion so that the readers can comprehend the essay in a particular manner without any dissonance.
• Make your beginning catchy and include solutions in your conclusion to make the essay insightful and lucrative to read
• Reread before putting it out and add your flair to the essay to make it more personal and thereby unique and intriguing for readers  

Also Read: I Love My India Essay: 100 and 500+ Words in English for School Students

Ans. Both natural and man-made factors contribute to global warming. The natural one also contains methane gas, volcanic eruptions, and greenhouse gases. Deforestation, mining, livestock raising, burning fossil fuels, and other man-made causes are next.

Ans. The government and the general public can work together to stop global warming. Trees must be planted more often, and deforestation must be prohibited. Auto usage needs to be curbed, and recycling needs to be promoted.

Ans. Switching to renewable energy sources , adopting sustainable farming, transportation, and energy methods, and conserving water and other natural resources.

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Digvijay Singh

Having 2+ years of experience in educational content writing, withholding a Bachelor's in Physical Education and Sports Science and a strong interest in writing educational content for students enrolled in domestic and foreign study abroad programmes. I believe in offering a distinct viewpoint to the table, to help students deal with the complexities of both domestic and foreign educational systems. Through engaging storytelling and insightful analysis, I aim to inspire my readers to embark on their educational journeys, whether abroad or at home, and to make the most of every learning opportunity that comes their way.

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This was really a good essay on global warming… There has been used many unic words..and I really liked it!!!Seriously I had been looking for a essay about Global warming just like this…

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I want to learn how to write essay writing so I joined this page.This page is very useful for everyone.

Hi, we are glad that we could help you to write essays. We have a beginner’s guide to write essays ( https://leverageedu.com/blog/essay-writing/ ) and we think this might help you.

It is not good , to have global warming in our earth .So we all have to afforestation program on all the world.

thank you so much

Very educative , helpful and it is really going to strength my English knowledge to structure my essay in future

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Global warming is the increase in 𝓽𝓱𝓮 ᴀᴠᴇʀᴀɢᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇs ᴏғ ᴇᴀʀᴛʜ🌎 ᴀᴛᴍᴏsᴘʜᴇʀᴇ

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Essay on Effects of Global Warming for Students and Children

500+ words essay on effects of global warming.

Global warming refers to climate change that causes an increase in the average of Earth’s temperature. Natural events and human influences are believed to be top contributions towards the increase in average temperatures. Global warming is a rise in the surface and atmospheric temperature of the earth that has changed various life forms on the earth. The issues that ascertain global warming are divided into two broad categories – “natural” and “human influences” of global warming.

Natural Causes of Global Warming

The climate has been continuously changing for centuries. One natural cause of global warming is greenhouse gases. Greenhouse gases are carbon monoxide and sulphur dioxide . It traps the solar rays and prevents them from escaping the surface of the earth.

This causes an increase in the temperature of the earth. Volcanic eruptions are another reason for global warming. A single volcanic eruption can release a great amount of carbon dioxide and ash to the atmosphere. Increased carbon dioxide leads to a rise in the temperature of the earth.

Also, methane gas is another contributor to global warming. Methane is also a greenhouse gas. Methane is twenty times more effective in trapping heat in the atmosphere than carbon dioxide. Usually, methane gas is released from many areas like animal waste, landfill, natural gas, and others.

Get the huge list of more than 500 Essay Topics and Ideas

Human Influences on Global Warming

Human influence has been a very serious issue now as it is contributing more than natural causes of global warming. Since human evolution, the earth has been changing for many years until now and it is still changing because of our modern lifestyle. Human activities include industrial production, burning fossil fuel, mining of minerals, cattle rearing and deforestation.

Industries, transportation such as cars, buses, trucks burn fuel to power machines, which eventually releases carbon dioxide and monoxide from the exhaust, leading to an increase in a temperature rise of Earth’s atmosphere.

Another contributor is mining. During the process of mining, the methane gas trapped below the earth escapes. Rearing cattle also causes the release of methane from manure. Another cause is the most common but most dangerous – deforestation.

Deforestation is a human influence because human have been cutting down trees to produce paper, wood, build houses and more. Trees can absorb carbon dioxide from the atmosphere and their absence can lead to the concentration of such gases.

The Effect of Global Warming

The impact that global warming is causing on earth is extremely serious. There are many hazardous effects that will happen in the future if global warming continues. It includes melting of polar ice caps, leading to an increase in sea level drowning coastlines and slowly submerging continents.

Recent studies by National Snow and Ice Datacenter “if the ice melted today the seas would rise about 230 feet”. Another effect is climate change leading to the extinction of various species. More hurricanes, cyclonic storms, heat waves, drought, and extreme rainfalls will occur causing disaster to humankind.

The solution to Stop Global Warming

We humans need to work together towards the prevention of global warming. To reduce global warming we can contribute by reducing the production and concentration of greenhouse gases in the atmosphere. We need to curb usage of gasoline, electricity and other activities including mining and industrialization that cause global warming.

Another way to reduce global warming is through recycling. Recycling can help reduce open burning of garbage by reusing plastic bags, bottles, papers or glass. We need to stop open burning dry leaves or burning garbage. It contributes to releasing carbon dioxide and toxins. Besides, we should reduce deforestation and start planting more trees. Trees will help improve the temperature on earth and prevent drastic climatic change.

From today’s scenario, we can derive that our earth is “sick” and we humans need to “heal” it. Global Warming has already caused many problems for human and we need to prevent disasters of the future. Our generation needs to take care of the earth with immediate effect to safeguard future generations or they will suffer the consequences of global warming.

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ENCYCLOPEDIC ENTRY

Global warming.

The causes, effects, and complexities of global warming are important to understand so that we can fight for the health of our planet.

Earth Science, Climatology

Tennessee Power Plant

Ash spews from a coal-fueled power plant in New Johnsonville, Tennessee, United States.

Photograph by Emory Kristof/ National Geographic

Global warming is the long-term warming of the planet’s overall temperature. Though this warming trend has been going on for a long time, its pace has significantly increased in the last hundred years due to the burning of fossil fuels . As the human population has increased, so has the volume of fossil fuels burned. Fossil fuels include coal, oil, and natural gas, and burning them causes what is known as the “greenhouse effect” in Earth’s atmosphere.

The greenhouse effect is when the sun’s rays penetrate the atmosphere, but when that heat is reflected off the surface cannot escape back into space. Gases produced by the burning of fossil fuels prevent the heat from leaving the atmosphere. These greenhouse gasses are carbon dioxide , chlorofluorocarbons, water vapor , methane , and nitrous oxide . The excess heat in the atmosphere has caused the average global temperature to rise overtime, otherwise known as global warming.

Global warming has presented another issue called climate change. Sometimes these phrases are used interchangeably, however, they are different. Climate change refers to changes in weather patterns and growing seasons around the world. It also refers to sea level rise caused by the expansion of warmer seas and melting ice sheets and glaciers . Global warming causes climate change, which poses a serious threat to life on Earth in the forms of widespread flooding and extreme weather. Scientists continue to study global warming and its impact on Earth.

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Essay On Global Warming

Essay on global warming is an important topic for students to understand. The essay brings to light the plight of the environment and the repercussion of anthropogenic activities. Continue reading to discover tips and tricks for writing an engaging and interesting essay on global warming.

Essay On Global Warming in 300 Words

Global warming is a phenomenon where the earth’s average temperature rises due to increased amounts of greenhouse gases. Greenhouse gases such as carbon dioxide, methane and ozone trap the incoming radiation from the sun. This effect creates a natural “blanket”, which prevents the heat from escaping back into the atmosphere. This effect is called the greenhouse effect.

Contrary to popular belief, greenhouse gases are not inherently bad. In fact, the greenhouse effect is quite important for life on earth. Without this effect, the sun’s radiation would be reflected back into the atmosphere, freezing the surface and making life impossible. However, when greenhouse gases in excess amounts get trapped, serious repercussions begin to appear. The polar ice caps begin to melt, leading to a rise in sea levels. Furthermore, the greenhouse effect is accelerated when polar ice caps and sea ice melts. This is due to the fact the ice reflects 50% to 70% of the sun’s rays back into space, but without ice, the solar radiation gets absorbed. Seawater reflects only 6% of the sun’s radiation back into space. What’s more frightening is the fact that the poles contain large amounts of carbon dioxide trapped within the ice. If this ice melts, it will significantly contribute to global warming. 

A related scenario when this phenomenon goes out of control is the runaway-greenhouse effect. This scenario is essentially similar to an apocalypse, but it is all too real. Though this has never happened in the earth’s entire history, it is speculated to have occurred on Venus. Millions of years ago, Venus was thought to have an atmosphere similar to that of the earth. But due to the runaway greenhouse effect, surface temperatures around the planet began rising. 

If this occurs on the earth, the runaway greenhouse effect will lead to many unpleasant scenarios – temperatures will rise hot enough for oceans to evaporate. Once the oceans evaporate, the rocks will start to sublimate under heat. In order to prevent such a scenario, proper measures have to be taken to stop climate change.

More to Read: Learn How Greenhouse Effect works

Tips To Writing the Perfect Essay

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• Begin the essay with an introductory paragraph detailing the history or origin of the given topic.
• Try to reduce the use of jargons. Use sparingly if the topic requires it.
• Ensure that the content is presented in bulleted points wherever appropriate.
• Insert and highlight factual data, such as dates, names and places.
• Remember to break up the content into smaller paragraphs. 100-120 words per paragraph should suffice.
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Causes and Effects of Climate Change

Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent of all carbon dioxide emissions. As greenhouse gas emissions blanket the Earth, they trap the sun’s heat. This leads to global warming and climate change. The world is now warming faster than at any point in recorded history. Warmer temperatures over time are changing weather patterns and disrupting the usual balance of nature. This poses many risks to human beings and all other forms of life on Earth. 

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A problem built into our relationship with energy itself. Photo by Ferdinando Scianna/Magnum

Deep warming

Even if we ‘solve’ global warming, we face an older, slower problem. waste heat could radically alter earth’s future.

by Mark Buchanan   + BIO

The world will be transformed. By 2050, we will be driving electric cars and flying in aircraft running on synthetic fuels produced through solar and wind energy. New energy-efficient technologies, most likely harnessing artificial intelligence, will dominate nearly all human activities from farming to heavy industry. The fossil fuel industry will be in the final stages of a terminal decline. Nuclear fusion and other new energy sources may have become widespread. Perhaps our planet will even be orbited by massive solar arrays capturing cosmic energy from sunlight and generating seemingly endless energy for all our needs.

That is one possible future for humanity. It’s an optimistic view of how radical changes to energy production might help us slow or avoid the worst outcomes of global warming. In a report from 1965, scientists from the US government warned that our ongoing use of fossil fuels would cause global warming with potentially disastrous consequences for Earth’s climate. The report, one of the first government-produced documents to predict a major crisis caused by humanity’s large-scale activities, noted that the likely consequences would include higher global temperatures, the melting of the ice caps and rising sea levels. ‘Through his worldwide industrial civilisation,’ the report concluded, ‘Man is unwittingly conducting a vast geophysical experiment’ – an experiment with a highly uncertain outcome, but clear and important risks for life on Earth.

Since then, we’ve dithered and doubted and argued about what to do, but still have not managed to take serious action to reduce greenhouse gas emissions, which continue to rise. Governments around the planet have promised to phase out emissions in the coming decades and transition to ‘green energy’. But global temperatures may be rising faster than we expected: some climate scientists worry that rapid rises could create new problems and positive feedback loops that may accelerate climate destabilisation and make parts of the world uninhabitable long before a hoped-for transition is possible.

Despite this bleak vision of the future, there are reasons for optimists to hope due to progress on cleaner sources of renewable energy, especially solar power. Around 2010, solar energy generation accounted for less than 1 per cent of the electricity generated by humanity. But experts believe that, by 2027, due to falling costs, better technology and exponential growth in new installations, solar power will become the largest global energy source for producing electricity. If progress on renewables continues, we might find a way to resolve the warming problem linked to greenhouse gas emissions. By 2050, large-scale societal and ecological changes might have helped us avoid the worst consequences of our extensive use of fossil fuels.

It’s a momentous challenge. And it won’t be easy. But this story of transformation only hints at the true depth of the future problems humanity will confront in managing our energy use and its influence over our climate.

As scientists are gradually learning, even if we solve the immediate warming problem linked to the greenhouse effect, there’s another warming problem steadily growing beneath it. Let’s call it the ‘deep warming’ problem. This deeper problem also raises Earth’s surface temperature but, unlike global warming, it has nothing to do with greenhouse gases and our use of fossil fuels. It stems directly from our use of energy in all forms and our tendency to use more energy over time – a problem created by the inevitable waste heat that is generated whenever we use energy to do something. Yes, the world may well be transformed by 2050. Carbon dioxide levels may stabilise or fall thanks to advanced AI-assisted technologies that run on energy harvested from the sun and wind. And the fossil fuel industry may be taking its last breaths. But we will still face a deeper problem. That’s because ‘deep warming’ is not created by the release of greenhouse gases into the atmosphere. It’s a problem built into our relationship with energy itself.

F inding new ways to harness more energy has been a constant theme of human development. The evolution of humanity – from early modes of hunter-gathering to farming and industry – has involved large systematic increases in our per-capita energy use. The British historian and archaeologist Ian Morris estimates, in his book Foragers, Farmers, and Fossil Fuels: How Human Values Evolve (2015), that early human hunter-gatherers, living more than 10,000 years ago, ‘captured’ around 5,000 kcal per person per day by consuming food, burning fuel, making clothing, building shelter, or through other activities. Later, after we turned to farming and enlisted the energies of domesticated animals, we were able to harness as much as 30,000 kcal per day. In the late 17th century , the exploitation of coal and steam power marked another leap: by 1970, the use of fossil fuels allowed humans to consume some 230,000 kcal per person per day. (When we think about humanity writ large as ‘humans’, it’s important to acknowledge that the average person in the wealthiest nations consumes up to 100 times more energy than the average person in the poorest nations.) As the global population has risen and people have invented new energy-dependent technologies, our global energy use has continued to climb.

In many respects, this is great. We can now do more with less effort and achieve things that were unimaginable to the 17th-century inventors of steam engines, let alone to our hominin ancestors. We’ve made powerful mining machines, superfast trains, lasers for use in telecommunications and brain-imaging equipment. But these creations, while helping us, are also subtly heating the planet.

All the energy we humans use – to heat our homes, run our factories, propel our automobiles and aircraft, or to run our electronics – eventually ends up as heat in the environment. In the shorter term, most of the energy we use flows directly into the environment. It gets there through hot exhaust gases, friction between tires and roads, the noises generated by powerful engines, which spread out, dissipate, and eventually end up as heat. However, a small portion of the energy we use gets stored in physical changes, such as in new steel, plastic or concrete. It’s stored in our cities and technologies. In the longer term, as these materials break down, the energy stored inside also finds its way into the environment as heat. This is a direct consequence of the well-tested principles of thermodynamics.

Waste heat will pose a problem that is every bit as serious as global warming from greenhouse gases

In the early decades of the 21st century , this heat created by simply using energy, known as ‘waste heat’, is not so serious. It’s equivalent to roughly 2 per cent of the planetary heating imbalance caused by greenhouse gases – for now. But, with the passing of time, the problem is likely to get much more serious. That’s because humans have a historical tendency to consistently discover and produce things, creating entirely new technologies and industries in the process: domesticated animals for farming; railways and automobiles; global air travel and shipping; personal computers, the internet and mobile phones. The result of such activities is that we end up using more and more energy, despite improved energy efficiency in nearly every area of technology.

During the past two centuries at least (and likely for much longer), our yearly energy use has doubled roughly every 30 to 50 years . Our energy use seems to be growing exponentially, a trend that shows every sign of continuing. We keep finding new things to do and almost everything we invent requires more and more energy: consider the enormous energy demands of cryptocurrency mining or the accelerating energy requirements of AI.

If this historical trend continues, scientists estimate waste heat will pose a problem in roughly 150-200 years that is every bit as serious as the current problem of global warming from greenhouse gases. However, deep heating will be more pernicious as we won’t be able to avoid it by merely shifting from one kind energy to another. A profound problem will loom before us: can we set strict limits on all the energy we use? Can we reign in the seemingly inexorable expansion of our activities to avoid destroying our own environment?

Deep warming is a problem hiding beneath global warming, but one that will become prominent if and when we manage to solve the more pressing issue of greenhouse gases. It remains just out of sight, which might explain why scientists only became concerned about the ‘waste heat’ problem around 15 years ago.

O ne of the first people to describe the problem is the Harvard astrophysicist Eric Chaisson, who discussed the issue of waste heat in a paper titled ‘Long-Term Global Heating from Energy Usage’ (2008). He concluded that our technological society may be facing a fundamental limit to growth due to ‘unavoidable global heating … dictated solely by the second law of thermodynamics, a biogeophysical effect often ignored when estimating future planetary warming scenarios’. When I emailed Chaisson to learn more, he told me the history of his thinking on the problem:

It was on a night flight, Paris-Boston [circa] 2006, after a UNESCO meeting on the environment when it dawned on me that the IPCC were overlooking something. While others on the plane slept, I crunched some numbers literally on the back of an envelope … and then hoped I was wrong, that is, hoped that I was incorrect in thinking that the very act of using energy heats the air, however slightly now.

The transformation of energy into heat is among the most ubiquitous processes of physics

Chaisson drafted the idea up as a paper and sent it to an academic journal. Two anonymous reviewers were eager for it to be published. ‘A third tried his damnedest to kill it,’ Chaisson said, the reviewer claiming the findings were ‘irrelevant and distracting’. After it was finally published, the paper got some traction when it was covered by a journalist and ran as a feature story on the front page of The Boston Globe . The numbers Chaisson crunched, predictions of our mounting waste heat, were even run on a supercomputer at the US National Center for Atmospheric Research, by Mark Flanner, a professor of earth system science. Flanner, Chaisson suspected at the time, was likely ‘out to prove it wrong’. But, ‘after his machine crunched for many hours’, he saw the same results that Chaisson had written on the back of an envelope that night in the plane.

Around the same time, also in 2008, two engineers, Nick Cowern and Chihak Ahn, wrote a research paper entirely independent of Chaisson’s work, but with similar conclusions. This was how I first came across the problem. Cowern and Ahn’s study estimated the total amount of waste heat we’re currently releasing to the environment, and found that it is, right now, quite small. But, like Chaisson, they acknowledged that the problem would eventually become serious unless steps were taken to avoid it.

That’s some of the early history of thinking in this area. But these two papers, and a few other analyses since, point to the same unsettling conclusion: what I am calling ‘deep warming’ will be a big problem for humanity at some point in the not-too-distant future. The precise date is far from certain. It might be 150 years , or 400, or 800, but it’s in the relatively near future, not the distant future of, say, thousands or millions of years. This is our future.

T he transformation of energy into heat is among the most ubiquitous processes of physics. As cars drive down roads, trains roar along railways, planes cross the skies and industrial plants turn raw materials into refined products, energy gets turned into heat, which is the scientific word for energy stored in the disorganised motions of molecules at the microscopic level. As a plane flies from Paris to Boston, it burns fuel and thrusts hot gases into the air, generates lots of sound and stirs up contrails. These swirls of air give rise to swirls on smaller scales which in turn make smaller ones until the energy ultimately ends up lost in heat – the air is a little warmer than before, the molecules making it up moving about a little more vigorously. A similar process takes place when energy is used by the tiny electrical currents inside the microchips of computers, silently carrying out computations. Energy used always ends up as heat. Decades ago, research by the IBM physicist Rolf Landauer showed that a computation involving even a single computing bit will release a certain minimum amount of heat to the environment.

How this happens is described by the laws of thermodynamics, which were described in the mid-19th century by scientists including Sadi Carnot in France and Rudolf Clausius in Germany. Two key ‘laws’ summarise its main principles.

The first law of thermodynamics simply states that the total quantity of energy never changes but is conserved. Energy, in other words, never disappears, but only changes form. The energy initially stored in an aircraft’s fuel, for example, can be changed into the energetic motion of the plane. Turn on an electric heater, and energy initially held in electric currents gets turned into heat, which spreads into the air, walls and fabric of your house. The total energy remains the same, but it markedly changes form.

We’re generating waste heat all the time with everything we do

The second law of thermodynamics, equally important, is more subtle and states that, in natural processes, the transformation of energy always moves from more organised and useful forms to less organised and less useful forms. For an aircraft, the energy initially concentrated in jet fuel ends up dissipated in stirred-up winds, sounds and heat spread over vast areas of the atmosphere in a largely invisible way. It’s the same with the electric heater: the organised useful energy in the electric currents gets dissipated and spread into the low-grade warmth of the walls, then leaks into the outside air. Although the amount of energy remains the same, it gradually turns into less organised, less usable forms. The end point of the energy process produces waste heat. And we’re generating it all the time with everything we do.

Data on world energy consumption shows that, collectively, all humans on Earth are currently using about 170,000 terawatt-hours (TWh), which is a lot of energy in absolute terms – a terawatt-hour is the total energy consumed in one hour by any process using energy at a rate of 1 trillion watts. This huge number isn’t surprising, as it represents all the energy being used every day by the billions of cars and homes around the world, as well as by industry, farming, construction, air traffic and so on. But, in the early 21st century , the warming from this energy is still much less than the planetary heating due to greenhouse gases.

Concentrations of greenhouse gases such as CO 2 and methane are quite small, and only make a fractional difference to how much of the Sun’s energy gets trapped in the atmosphere, rather than making it back out to space. Even so, this fractional difference has a huge effect because the stream of energy arriving from the Sun to Earth is so large. Current estimates of this greenhouse energy imbalance come to around 0.87 W per square meter, which translates into a total energy figure about 50 times larger than our waste heat. That’s reassuring. But as Cowern and Ahn wrote in their 2008 paper, things aren’t likely to stay this way over time because our energy usage keeps rising. Unless, that is, we can find some radical way to break the trend of using ever more energy.

O ne common objection to the idea of the deep warming is to claim that the problem won’t really arise. ‘Don’t worry,’ someone might say, ‘with efficient technology, we’re going to find ways to stop using more energy; though we’ll end up doing more things in the future, we’ll use less energy.’ This may sound plausible at first, because we are indeed getting more efficient at using energy in most areas of technology. Our cars, appliances and laptops are all doing more with less energy. If efficiency keeps improving, perhaps we can learn to run these things with almost no energy at all? Not likely, because there are limits to energy efficiency.

Over the past few decades, the efficiency of heating in homes – including oil and gas furnaces, and boilers used to heat water – has increased from less than 50 per cent to well above 90 per cent of what is theoretically possible. That’s good news, but there’s not much more efficiency to be realised in basic heating. The efficiency of lighting has also vastly improved, with modern LED lighting turning something like 70 per cent of the applied electrical energy into light. We will gain some efficiencies as older lighting gets completely replaced by LEDs, but there’s not a lot of room left for future efficiency improvements. Similar efficiency limits arise in the growing or cooking of food; in the manufacturing of cars, bikes and electronic devices; in transportation, as we’re taken from place to place; in the running of search engines, translation software, GPT-4 or other large-language models.

Even if we made significant improvements in the efficiencies of these technologies, we will only have bought a little time. These changes won’t delay by much the date when deep warming becomes a problem we must reckon with.

Optimising efficiencies is just a temporary reprieve, not a radical change in our human future

As a thought experiment, suppose we could immediately improve the energy efficiency of everything we do by a factor of 10 – a fantastically optimistic proposal. That is, imagine the energy output of humans on Earth has been reduced 10 times , from 170,000 TWh to 17,000 TWh . If our energy use keeps expanding, doubling every 30-50 years or so (as it has for centuries), then a 10-fold increase in waste heat will happen in just over three doubling times, which is about 130 years : 17,000 TWh doubles to 34,000 TWh , which doubles to 68,000 TWh , which doubles to 136,000 TWh , and so on. All those improvements in energy efficiency would quickly evaporate. The date when deep warming hits would recede by 130 years or so, but not much more. Optimising efficiencies is just a temporary reprieve, not a radical change in our human future.

Improvements in energy efficiency can also have an inverse effect on our overall energy use. It’s easy to think that if we make a technology more efficient, we’ll then use less energy through the technology. But economists are deeply aware of a paradoxical effect known as ‘rebound’, whereby improved energy efficiency, by making the use of a technology cheaper, actually leads to more widespread use of that technology – and more energy use too. The classic example, as noted by the British economist William Stanley Jevons in his book The Coal Question (1865), is the invention of the steam engine. This new technology could extract energy from burning coal more efficiently, but it also made possible so many new applications that the use of coal increased. A recent study by economists suggests that, across the economy, such rebound effects might easily swallow at least 50 per cent of any efficiency gains in energy use. Something similar has already happened with LED lights, for which people have found thousands of new uses.

If gains in efficiency won’t buy us lots of time, how about other factors, such as a reduction of the global population? Scientists generally believe that the current human population of more than 8 billion people is well beyond the limits of our finite planet, especially if a large fraction of this population aspires to the resource-intensive lifestyles of wealthy nations. Some estimates suggest that a more sustainable population might be more like 2 billion , which could reduce energy use significantly, potentially by a factor of three or four. However, this isn’t a real solution: again, as with the example of improved energy efficiency, a one-time reduction of our energy consumption by a factor of three will quickly be swallowed up by an inexorable rise in energy use. If Earth’s population were suddenly reduced to 2 billion – about a quarter of the current population – our energy gains would initially be enormous. But those gains would be erased in two doubling times, or roughly 60-100 years , as our energy demands would grow fourfold.

S o, why aren’t more people talking about this? The deep warming problem is starting to get more attention. It was recently mentioned on Twitter by the German climate scientist Stefan Rahmstorf, who cautioned that nuclear fusion, despite excitement over recent advances, won’t arrive in time to save us from our waste heat, and might make the problem worse. By providing another cheap source of energy, fusion energy could accelerate both the growth of our energy use and the reckoning of deep warming. A student of Rahmstorf’s, Peter Steiglechner, wrote his master’s thesis on the problem in 2018. Recognition of deep warming and its long-term implications for humanity is spreading. But what can we do about the problem?

Avoiding or delaying deep warming will involve slowing the rise of our waste heat, which means restricting the amount of energy we use and also choosing energy sources that exacerbate the problem as little as possible. Unlike the energy from fossil fuels or nuclear power, which add to our waste energy burden, renewable energy sources intercept energy that is already on its way to Earth, rather than producing additional waste heat. In this sense, the deep warming problem is another reason to pursue renewable energy sources such as solar or wind rather than alternatives such as nuclear fusion, fission or even geothermal power. If we derive energy from any of these sources, we’re unleashing new flows of energy into the Earth system without making a compensating reduction. As a result, all such sources will add to the waste heat problem. However, if renewable sources of energy are deployed correctly, they need not add to our deposition of waste heat in the environment. By using this energy, we produce no more waste heat than would have been created by sunlight in the first place.

Take the example of wind energy. Sunlight first stirs winds into motion by heating parts of the planet unequally, causing vast cells of convection. As wind churns through the atmosphere, blows through trees and over mountains and waves, most of its energy gets turned into heat, ending up in the microscopic motions of molecules. If we harvest some of this wind energy through turbines, it will also be turned into heat in the form of stored energy. But, crucially, no more heat is generated than if there had been no turbines to capture the wind.

The same can hold true for solar energy. In an array of solar cells, if each cell only collects the sunlight falling on it – which would ordinarily have been absorbed by Earth’s surface – then the cells don’t alter how much waste heat gets produced as they generate energy. The light that would have warmed Earth’s surface instead goes into the solar cells, gets used by people for some purpose, and then later ends up as heat. In this way we reduce the amount of heat being absorbed by Earth by precisely the same amount as the energy we are extracting for human use. We are not adding to overall planetary heating. This keeps the waste energy burden unchanged, at least in the relatively near future, even if we go on extracting and using ever larger amounts of energy.

Covering deserts in dark panels would absorb a lot more energy than the desert floor

Chaisson summarised the problem quite clearly in 2008:

I’m now of the opinion … that any energy that’s dug up on Earth – including all fossil fuels of course, but also nuclear and ground-sourced geothermal – will inevitably produce waste heat as a byproduct of humankind’s use of energy. The only exception to that is energy arriving from beyond Earth, this is energy here and now and not dug up, namely the many solar energies (plural) caused by the Sun’s rays landing here daily … The need to avoid waste heat is indeed the single, strongest, scientific argument to embrace solar energies of all types.

But not just any method of gathering solar energy will avoid the deep warming problem. Doing so requires careful engineering. For example, covering deserts with solar panels would add to planetary heating because deserts reflect a lot of incident light back out to space, so it is never absorbed by Earth (and therefore doesn’t produce waste heat). Covering deserts in dark panels would absorb a lot more energy than the desert floor and would heat the planet further.

We’ll also face serious problems in the long run if our energy appetite keeps increasing. Futurists dream of technologies deployed in space where huge panels would absorb sunlight that would otherwise have passed by Earth and never entered our atmosphere. Ultimately, they believe, this energy could be beamed down to Earth. Like nuclear energy, such technologies would add an additional energy source to the planet without any compensating removal of heating from the sunlight currently striking our planet’s surface. Any effort to produce more energy than is normally available from sunlight at Earth’s surface will only make our heating problems worse.

D eep warming is simply a consequence of the laws of physics and our inquisitive nature. It seems to be in our nature to constantly learn and develop new things, changing our environment in the process. For thousands of years, we have harvested and exploited ever greater quantities of energy in this pursuit, and we appear poised to continue along this path with the rapidly expanding use of renewable energy sources – and perhaps even more novel sources such as nuclear fusion. But this path cannot proceed indefinitely without consequences.

The logic that more energy equals more warming sets up a profound dilemma for our future. The laws of physics and the habits ingrained in us from our long evolutionary history are steering us toward trouble. We may have a technological fix for greenhouse gas warming – just shift from fossil fuels to cleaner energy sources – but there is no technical trick to get us out of the deep warming problem. That won’t stop some scientists from trying.

Perhaps, believing that humanity is incapable of reducing its energy usage, we’ll adopt a fantastic scheme to cool the planet, such as planetary-scale refrigeration or using artificially engineered tornadoes to transport heat from Earth’s surface to the upper atmosphere where it can be radiated away to space. As far-fetched as such approaches sound, scientists have given some serious thought to these and other equally bizarre ideas, which seem wholly in the realm of science fiction. They’re schemes that will likely make the problem worse not better.

We will need to transform the human story. It must become a story of doing less, not more

I see several possibilities for how we might ultimately respond. As with greenhouse gas warming, there will probably be an initial period of disbelief, denial and inaction, as we continue with unconstrained technological advance and growing energy use. Our planet will continue warming. Sooner or later, however, such warming will lead to serious disruptions of the Earth environment and its ecosystems. We won’t be able to ignore this for long, and it may provide a natural counterbalance to our energy use, as our technical and social capacity to generate and use ever more energy will be eroded. We may eventually come to some uncomfortable balance in which we just scrabble out a life on a hot, compromised planet because we lack the moral and organisational ability to restrict our energy use enough to maintain a sound environment.

An alternative would require a radical break with our past: using less energy. Finding a way to use less energy would represent a truly fundamental rupture with all of human history, something entirely novel. A rupture of this magnitude won’t come easily. However, if we could learn to view restrictions on our energy use as a non-negotiable element of life on Earth, we may still be able to do many of the things that make us essentially human: learning, discovering, inventing, creating. In this scenario, any helpful new technology that comes into use and begins using lots of energy would require a balancing reduction in energy use elsewhere. In such a way, we might go on with the future being perpetually new, and possibly better.

None of this is easily achieved and will likely mirror our current struggles to come to agreements on greenhouse gas heating. There will be vicious squabbles, arguments and profound polarisation, quite possibly major wars. Humanity will never have faced a challenge of this magnitude, and we won’t face up to it quickly or easily, I expect. But we must. Planetary heating is in our future – the very near future and further out as well. Many people will find this conclusion surprisingly hard to swallow, perhaps because it implies fundamental restrictions on our future here on Earth: we can’t go on forever using more and more energy, and, at the same time, expecting the planet’s climate to remain stable.

The world will likely be transformed by 2050. And, sometime after that, we will need to transform the human story. The narrative arc of humanity must become a tale of continuing innovation and learning, but also one of careful management. It must become a story, in energy terms, of doing less, not more. There’s no technology for entirely escaping waste heat, only techniques.

This is important to remember as we face up to the extremely urgent challenge of heating linked to fossil-fuel use and greenhouse gases. Global warming is just the beginning of our problems. It’s a testing ground to see if we can manage an intelligent and coordinated response. If we can handle this challenge, we might be better prepared, more capable and resilient as a species to tackle an even harder one.

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• ENVIRONMENT

How global warming is disrupting life on Earth

The signs of global warming are everywhere, and are more complex than just climbing temperatures.

Our planet is getting hotter. Since the Industrial Revolution—an event that spurred the use of fossil fuels in everything from power plants to transportation—Earth has warmed by 1 degree Celsius, about 2 degrees Fahrenheit.  

That may sound insignificant, but 2023 was the hottest year on record , and all 10 of the hottest years on record have occurred in the past decade.  

Global warming and climate change are often used interchangeably as synonyms, but scientists prefer to use “climate change” when describing the complex shifts now affecting our planet’s weather and climate systems.  

Climate change encompasses not only rising average temperatures but also natural disasters, shifting wildlife habitats, rising seas , and a range of other impacts. All of these changes are emerging as humans continue to add heat-trapping greenhouse gases , like carbon dioxide and methane, to the atmosphere.

What causes global warming?

When fossil fuel emissions are pumped into the atmosphere, they change the chemistry of our atmosphere, allowing sunlight to reach the Earth but preventing heat from being released into space. This keeps Earth warm, like a greenhouse, and this warming is known as the greenhouse effect .  

Carbon dioxide is the most commonly found greenhouse gas and about 75 percent of all the climate warming pollution in the atmosphere. This gas is a product of producing and burning oil, gas, and coal. About a quarter of Carbon dioxide also results from land cleared for timber or agriculture.  

Methane is another common greenhouse gas. Although it makes up only about 16 percent of emissions, it's roughly 25 times more potent than carbon dioxide and dissipates more quickly. That means methane can cause a large spark in warming, but ending methane pollution can also quickly limit the amount of atmospheric warming. Sources of this gas include agriculture (mostly livestock), leaks from oil and gas production, and waste from landfills.  

What are the effects of global warming?  

One of the most concerning impacts of global warming is the effect warmer temperatures will have on Earth's polar regions and mountain glaciers. The Arctic is warming four times faster than the rest of the planet. This warming reduces critical ice habitat and it disrupts the flow of the jet stream, creating more unpredictable weather patterns around the globe.  

( Learn more about the jet stream. )

A warmer planet doesn't just raise temperatures. Precipitation is becoming more extreme as the planet heats. For every degree your thermometer rises, the air holds about seven percent more moisture. This increase in moisture in the atmosphere can produce flash floods, more destructive hurricanes, and even paradoxically, stronger snow storms.  

The world's leading scientists regularly gather to review the latest research on how the planet is changing. The results of this review is synthesized in regularly published reports known as the Intergovernmental Panel on Climate Change (IPCC) reports.  

A recent report outlines how disruptive a global rise in temperature can be:

• Coral reefs are now a highly endangered ecosystem. When corals face environmental stress, such as high heat, they expel their colorful algae and turn a ghostly white, an effect known as coral bleaching . In this weakened state, they more easily die.  
• Trees are increasingly dying from drought , and this mass mortality is reshaping forest ecosystems.
• Rising temperatures and changing precipitation patterns are making wildfires more common and more widespread. Research shows they're even moving into the eastern U.S. where fires have historically been less common.
• Hurricanes are growing more destructive and dumping more rain, an effect that will result in more damage. Some scientists say we even need to be preparing for Cat 6 storms . (The current ranking system ends at Cat 5.)

How can we limit global warming?  

Limiting the rising in global warming is theoretically achievable, but politically, socially, and economically difficult.  

Those same sources of greenhouse gas emissions must be limited to reduce warming. For example, oil and gas used to generate electricity or power industrial manufacturing will need to be replaced by net zero emission technology like wind and solar power. Transportation, another major source of emissions, will need to integrate more electric vehicles, public transportation, and innovative urban design, such as safe bike lanes and walkable cities.  

( Learn more about solutions to limit global warming. )

One global warming solution that was once considered far fetched is now being taken more seriously: geoengineering. This type of technology relies on manipulating the Earth's atmosphere to physically block the warming rays of the sun or by sucking carbon dioxide straight out of the sky.

Restoring nature may also help limit warming. Trees, oceans, wetlands, and other ecosystems help absorb excess carbon—but when they're lost, so too is their potential to fight climate change.  

Ultimately, we'll need to adapt to warming temperatures, building homes to withstand sea level rise for example, or more efficiently cooling homes during heat waves.  

For Hungry Minds

Related topics.

• CLIMATE CHANGE
• ENVIRONMENT AND CONSERVATION
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The ‘Conclusion’ confirms that global warming is the major challenge for our global society. There is very little doubt that global warming will change our climate in the next century. So what are the solutions to global warming? First, there must be an international political solution. Second, funding for developing cheap and clean energy production must be increased, as all economic development is based on increasing energy usage. We must not pin all our hopes on global politics and clean energy technology, so we must prepare for the worst and adapt. If implemented now, a lot of the costs and damage that could be caused by changing climate can be mitigated.

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Roz Pidcock

Which of the many thousands of papers on climate change published each year in scientific journals are the most successful? Which ones have done the most to advance scientists’ understanding, alter the course of climate change research, or inspire future generations?

On Wednesday, Carbon Brief will reveal the results of our analysis into which scientific papers on the topic of climate change are the most “cited”. That means, how many times other scientists have mentioned them in their own published research. It’s a pretty good measure of how much impact a paper has had in the science world.

But there are other ways to measure influence. Before we reveal the figures on the most-cited research, Carbon Brief has asked climate experts what they think are the most influential papers.

We asked all the coordinating lead authors, lead authors and review editors on the last Intergovernmental Panel on Climate Change (IPCC) report to nominate three papers from any time in history. This is the exact question we posed:

What do you consider to be the three most influential papers in the field of climate change?

As you might expect from a broad mix of physical scientists, economists, social scientists and policy experts, the nominations spanned a range of topics and historical periods, capturing some of the great climate pioneers and the very latest climate economics research.

Here’s a link to our summary of who said what . But one paper clearly takes the top spot.

Winner: Manabe & Wetherald ( 1967 )

With eight nominations, a seminal paper by Syukuro Manabe and Richard. T. Wetherald published in the Journal of the Atmospheric Sciences in 1967 tops the Carbon Brief poll as the IPCC scientists’ top choice for the most influential climate change paper of all time.

Entitled, “Thermal Equilibrium of the Atmosphere with a Given Distribution of Relative Humidity”, the work was the first to represent the fundamental elements of the Earth’s climate in a computer model, and to explore what doubling carbon dioxide (CO2) would do to global temperature.

Manabe & Wetherald (1967), Journal of the Atmospheric Sciences

The Manabe & Wetherald paper is considered by many as a pioneering effort in the field of climate modelling, one that effectively opened the door to projecting future climate change. And the value of climate sensitivity is something climate scientists are still grappling with today .

Prof Piers Forster , a physical climate scientist at Leeds University and lead author of the chapter on clouds and aerosols in working group one of the last IPCC report, tells Carbon Brief:

This was really the first physically sound climate model allowing accurate predictions of climate change.

The paper’s findings have stood the test of time amazingly well, Forster says.

Its results are still valid today. Often when I’ve think I’ve done a new bit of work, I found that it had already been included in this paper.

Prof Steve Sherwood , expert in atmospheric climate dynamics at the University of New South Wales and another lead author on the clouds and aerosols chapter, says it’s a tough choice, but Manabe & Wetherald (1967) gets his vote, too. Sherwood tells Carbon Brief:

[The paper was] the first proper computation of global warming and stratospheric cooling from enhanced greenhouse gas concentrations, including atmospheric emission and water-vapour feedback.

Prof Danny Harvey , professor of climate modelling at the University of Toronto and lead author on the buildings chapter in the IPCC’s working group three report on mitigation, emphasises the Manabe & Wetherald paper’s impact on future generations of scientists. He says:

[The paper was] the first to assess the magnitude of the water vapour feedback, and was frequently cited for a good 20 years after it was published.

Tomorrow, Carbon Brief will be publishing an interview with Syukuro Manabe, alongside a special summary by Prof John Mitchell , the Met Office Hadley Centre’s chief scientist from 2002 to 2008 and director of climate science from 2008 to 2010, on why the paper still holds such significance today.

Joint second: Keeling, C.D et al. ( 1976 )

Jumping forward a decade, a classic paper by Charles Keeling and colleagues in 1976 came in joint second place in the Carbon Brief survey.

Published in the journal Tellus under the title, “Atmospheric carbon dioxide variations at Mauna Loa observatory,” the paper documented for the first time the stark rise of carbon dioxide in the atmosphere at the Mauna Loa observatory in Hawaii.

A photocopy of Keeling et al., (1976) Source: University of California, Santa Cruz

Dr Jorge Carrasco , Antarctic climate change researcher at the University of Magallanes  in Chile and lead author on the cryosphere chapter in the last IPCC report, tells Carbon Brief why the research underpinning the “Keeling Curve’ was so important.

This paper revealed for the first time the observing increased of the atmospheric CO2 as the result of the combustion of carbon, petroleum and natural gas.

Prof David Stern , energy and environmental economist at the Australian National University and lead author on the Drivers, Trends and Mitigation chapter of the IPCC’s working group three report, also chooses the 1976 Keeling paper, though he notes:

This is a really tough question as there are so many dimensions to the climate problem – natural science, social science, policy etc.

With the Mauna Loa measurements continuing today , the so-called “Keeling curve” is the longest continuous record of carbon dioxide concentration in the world. Its historical significance and striking simplicity has made it one of the most iconic visualisations of climate change.

Source: US National Oceanic and Atmospheric Administration (NOAA)

Also in joint second place: Held, I.M. & Soden, B.J. ( 2006 )

Fast forwarding a few decades, in joint second place comes a paper by Isaac Held and Brian Soden published in the journal Science in 2006.

The paper, “Robust Responses of the Hydrological Cycle to Global Warming”, identified how rainfall from one place to another would be affected by climate change. Prof Sherwood, who nominated this paper as well as the winning one from Manabe and Wetherald, tells Carbon Brief why it represented an important step forward. He says:

[This paper] advanced what is known as the “wet-get-wetter, dry-get-drier” paradigm for precipitation in global warming. This mantra has been widely misunderstood and misapplied, but was the first and perhaps still the only systematic conclusion about regional precipitation and global warming based on robust physical understanding of the atmosphere.

Held & Soden (2006), Journal of Climate

Honourable mentions

Rather than choosing a single paper, quite a few academics in our survey nominated one or more of the Working Group contributions to the last IPCC report. A couple even suggested the Fifth Assessment Report in its entirety, running to several thousands of pages. The original IPCC report , published in 1990, also got mentioned.

It was clear from the results that scientists tended to pick papers related to their own field. For example, Prof Ottmar Edenhofer , chief economist at the Potsdam Institute for Climate Impact Research and co-chair of the IPCC’s Working Group Three report on mitigation, selected four papers from the last 20 years on the economics of climate change costs versus risks, recent emissions trends, the technological feasibility of strong emissions reductions and the nature of international climate cooperation.

Taking a historical perspective, a few more of the early pioneers of climate science featured in our results, too. For example, Svante Arrhenius’ famous 1896 paper  on the Greenhouse Effect, entitled “On the influence of carbonic acid in the air upon the temperature of the ground”, received a couple of votes.

Prof Jonathan Wiener , environmental policy expert at Duke University in the US and lead author on the International Cooperation chapter in the IPCC’s working group three report, explains why this paper should be remembered as one of the most influential in climate policy. He says:

[This is the] classic paper showing that rising greenhouse gas concentrations lead to increasing global average surface temperature.

Svante Arrhenius (1896), Philosophical Magazine

A few decades later, a paper by Guy Callendar in 1938  linked the increase in carbon dioxide concentration over the previous 50 years to rising temperatures. Entitled, “The artificial production of carbon dioxide and its influence on temperature,” the paper marked an important step forward in climate change research, says Andrew Solow , director of the Woods Hole Marine Policy centre and lead author on the detection and attribution of climate impacts chapter in the IPCC’s working group two report. He says:

There is earlier work on the greenhouse effect, but not (to my knowledge) on the connection between increasing levels of CO2 and temperature.

Though it may feature in the climate change literature hall of fame, this paper raises a question about how to define a paper’s influence, says Forster. Rather than being celebrated among his contemporaries, Callendar’s work achieved recognition a long time after it was published. Forster says:

I would loved to have chosen Callendar (1938) as the first attribution paper that changed the world. Unfortunately, the 1938 effort of Callendar was only really recognised afterwards as being a founding publication of the field … The same comment applies to earlier Arrhenius and Tyndall efforts. They were only influential in hindsight.

Guy Callendar and his 1938 paper in Quarterly Journal of the Royal Meteorological Society

Other honourable mentions in the Carbon Brief survey of most influential climate papers go to Norman Phillips, whose 1956 paper described the first general circulation model, William Nordhaus’s 1991 paper on the economics of the greenhouse effect, and a paper by Camile Parmesan and Gary Yohe in 2003 , considered by many to provide the first formal attribution of climate change impacts on animal and plant species.

Finally, James Hansen’s 2012 paper , “Public perception of climate change and the new climate dice”, was important in highlighting the real-world impacts of climate change, says Prof Andy Challinor , expert in climate change impacts at the University of Leeds and lead author on the food security chapter in the working group two report. He says:

[It] helped with demonstrating the strong links between extreme events this century and climate change. Result: more clarity and less hedging.

Marc Levi , a political scientist at Columbia University and lead author on the IPCC’s human security chapter, makes a wider point, telling Carbon Brief:

The importance is in showing that climate change is observable in the present.

Indeed, attribution of extreme weather continues to be at the forefront of climate science, pushing scientists’ understanding of the climate system and modern technology to their limits.

Look out for more on the latest in attribution research as Carbon Brief reports on the Our Common Futures Under Climate Change conference taking place in Paris this week.

Pinning down which climate science papers most changed the world is difficult, and we suspect climate scientists could argue about this all day. But while the question elicits a range of very personal preferences, stories and characters, one paper has clearly stood the test of time and emerged as the popular choice among today’s climate experts – Manabe and Wetherald, 1967.

Main image: Satellite image of Hurricane Katrina.

• What are the most influential climate change papers of all time?

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Home — Essay Samples — Environment — Environment Problems — Global Warming

Argumentative Essays on Global Warming

Global warming: a critical analysis through essays.

The purpose of global warming essay topics is to ignite your creativity and personal interest in one of the most pressing issues of our time. Choosing the right topic is crucial, as it can greatly influence both the depth of your research and the impact of your arguments.

Essay Types and Topics

Different types of essays allow you to explore global warming from various angles, whether it be through an argumentative lens, a compare and contrast approach, descriptive insights, persuasive arguments, or narrative storytelling. Below, you will find a curated list of topics suitable for each essay type, accompanied by introduction and conclusion paragraph examples to help structure your essay effectively.

Argumentative Essays

• Topic: The Effectiveness of Current Policies on Reducing Carbon Emissions

Introduction Example: As global warming poses a significant threat to our planet, the effectiveness of current policies to reduce carbon emissions has come under scrutiny. This essay will argue that while some policies have made progress, they are largely insufficient to meet the global targets set by the Paris Agreement. Thesis Statement: Current policies need significant strengthening to effectively reduce carbon emissions and combat global warming.

Conclusion Example: In conclusion, the analysis demonstrates that current policies, though a step in the right direction, fall short of the aggressive action required to mitigate global warming. It calls for a global reevaluation and reinforcement of policies to ensure a sustainable future.

Compare and Contrast Essays

• Topic: Renewable Energy vs. Fossil Fuels: Impacts on Global Warming

Introduction Example: The debate between renewable energy and fossil fuels is at the forefront of the global warming discussion. This essay will compare and contrast the environmental impacts of both energy sources, highlighting the superiority of renewables in combating global warming. Thesis Statement: Renewable energy sources offer a cleaner, more sustainable alternative to fossil fuels, making them essential in the fight against global warming.

Conclusion Example: The comparison clearly shows that renewable energy not only reduces the carbon footprint but also is a viable alternative to fossil fuels, underscoring the need for a global shift towards renewables to mitigate the effects of global warming.

Descriptive Essays

• Topic: The Visible Effects of Global Warming on Arctic Wildlife

Introduction Example: Global warming has had a profound impact on Arctic wildlife, with visible effects that signal a broader ecological crisis. This essay aims to describe these impacts in detail, drawing attention to the urgent need for action. Thesis Statement: The devastating effects of global warming on Arctic wildlife underscore the urgent need for global environmental policies.

Conclusion Example: In summarizing the dire situation in the Arctic, it becomes clear that global warming is not a distant threat but a current reality, necessitating immediate and decisive action to protect our planet's biodiversity.

Persuasive Essays

• Topic: The Role of Individuals in Combating Global Warming

Introduction Example: While the fight against global warming often focuses on governmental and corporate actions, the role of individuals cannot be underestimated. This essay will persuade readers that individual actions, though seemingly small, can collectively make a significant impact on combating global warming. Thesis Statement: Individual efforts are crucial and effective in the fight against global warming, complementing larger-scale initiatives.

Conclusion Example: As demonstrated, individual actions play a pivotal role in combating global warming. It is through collective effort at every level of society that we can hope to address this global challenge effectively.

Narrative Essays

• Topic: A Personal Journey to Reduce My Carbon Footprint

Introduction Example: Embarking on a personal journey to reduce my carbon footprint was both enlightening and challenging. Through this narrative, I aim to share my experiences, the obstacles I faced, and the impact of my actions on a personal level. Thesis Statement: Individual actions to reduce carbon footprints can inspire change and contribute significantly to combating global warming.

Conclusion Example: My journey reveals that while individual actions may seem small in the grand scheme of global warming, they are powerful catalysts for change, underscoring the importance of personal responsibility in the global effort to combat climate change.

Engagement and Creativity

As you delve into your essay on global warming, we encourage you to select a topic that not only aligns with your academic goals but also sparks your interest. Let your creativity guide your research and argumentation, making your essay not just an academic exercise, but a personal exploration of one of the most urgent issues facing our world today.

Educational Value

Writing about global warming is not only an opportunity to contribute to an important global conversation but also a chance to develop valuable academic skills. Whether you're crafting an argumentative, compare and contrast, descriptive, persuasive, or narrative essay, you're engaging in critical thinking, research, and persuasive communication—skills that are invaluable in both academic and professional settings.

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A Modest Proposal: How to End Global Warming

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Global warming refers to the long-term increase in Earth's average surface temperature primarily caused by the buildup of greenhouse gases in the atmosphere.

Greta Thunberg: a prominent Swedish environmental activist who gained international recognition for her efforts to combat climate change. Al Gore: an American politician and environmentalist who has been instrumental in raising awareness about global warming. He wrote the book "An Inconvenient Truth" and co-founded the Climate Reality Project, advocating for climate change solutions and promoting sustainable practices. Sir David Attenborough: a renowned British naturalist and broadcaster who has dedicated his career to documenting the wonders of the natural world. In recent years, he has become an influential voice in raising awareness about the impacts of global warming through his documentaries and speeches. Dr. James Hansen: an American climatologist and former NASA scientist. He is known for his research on climate change and his efforts to communicate the urgency of addressing global warming. Elon Musk: the CEO of Tesla and SpaceX, has played a significant role in promoting renewable energy and sustainable transportation. Through Tesla, Musk has popularized electric vehicles and accelerated the transition away from fossil fuels, contributing to the fight against global warming.

The historical context of global warming can be traced back to the late 19th century when scientists first began to recognize the potential impact of human activities on the Earth's climate. In the early 20th century, researchers such as Svante Arrhenius hypothesized that the burning of fossil fuels could lead to an increase in atmospheric carbon dioxide levels and subsequently cause a rise in global temperatures. During the mid-20th century, advancements in technology and industrialization led to a significant increase in greenhouse gas emissions. The post-World War II era marked a period of rapid economic growth and widespread use of fossil fuels, further contributing to the accumulation of greenhouse gases in the atmosphere. In the 1980s and 1990s, scientific consensus on the reality of global warming began to solidify. The establishment of the Intergovernmental Panel on Climate Change (IPCC) in 1988 provided a platform for scientists and policymakers to collaborate and assess the scientific evidence surrounding climate change. The historical context of global warming also includes international efforts to address this issue. Key milestones include the adoption of the United Nations Framework Convention on Climate Change (UNFCCC) in 1992 and the subsequent negotiations that led to the Kyoto Protocol in 1997. These agreements aimed to promote international cooperation and reduce greenhouse gas emissions.

1. Increase in greenhouse gases and combustion of fossil fuels. 2. Exponential increase in population. 3. Destruction of ecosystems and deforestation. 4. Destruction of marine ecosystems.

1. Melting of polar ice caps and rising sea levels. 2. Changes to ecosystems. 3. Mass migrations. 4. Acidity of our oceans. 5. Species extinction. 6. Extreme meteorological phenomena.

Calculating carbon footprint. Reducing greenhouse gases. Offsetting carbon emissions.

Public opinion on the topic of global warming varies, but there is a growing recognition and concern about its impacts. Over the years, surveys and polls have indicated that a majority of the global population acknowledges the reality of global warming and considers it a significant issue. Many individuals are increasingly aware of the scientific consensus that human activities, particularly the burning of fossil fuels, contribute to the increase in greenhouse gases and subsequent global temperature rise. The severity of extreme weather events, melting ice caps, and rising sea levels further emphasize the urgency of addressing global warming. However, public opinion on specific aspects of global warming, such as its causes and potential solutions, can be diverse and influenced by various factors including political beliefs, cultural values, and economic considerations. Debates continue regarding the extent of human influence on climate change and the appropriate measures to mitigate its effects. Efforts to raise awareness and educate the public about global warming have led to increased activism, calls for policy changes, and the promotion of sustainable practices. Public opinion plays a crucial role in shaping political will and policy decisions, influencing the development and implementation of climate change mitigation and adaptation strategies.

The topic of global warming has garnered significant representation in both media and literature, reflecting the urgency and importance of addressing climate change. In media, documentaries like "An Inconvenient Truth" by Al Gore and "Before the Flood" by Leonardo DiCaprio have gained widespread attention for their compelling exploration of the environmental crisis. These films present scientific evidence, personal narratives, and expert interviews to raise awareness and provoke action. In literature, works such as "The Sixth Extinction" by Elizabeth Kolbert and "This Changes Everything: Capitalism vs. The Climate" by Naomi Klein offer in-depth analyses of global warming's causes and consequences. These books provide rigorous research, critical perspectives, and propose alternative approaches to mitigate climate change. Moreover, literary works of fiction, such as "Flight Behavior" by Barbara Kingsolver and "Oryx and Crake" by Margaret Atwood, employ global warming as a central theme. These novels explore the social, political, and ecological implications of a changing climate, using storytelling to engage readers on a personal and emotional level. News outlets regularly cover stories related to global warming, reporting on scientific studies, climate events, and policy debates. Newspapers, magazines, and online platforms offer articles that delve into the impacts of climate change on various sectors, including agriculture, health, and the environment.

1. The global average temperature has risen by approximately 1 degree Celsius since the pre-industrial era. 2. According to the Intergovernmental Panel on Climate Change (IPCC), if global warming exceeds 1.5 degrees Celsius, it could lead to irreversible and catastrophic effects, such as widespread species extinction, severe weather events, and rising sea levels. 3. The concentration of carbon dioxide (CO2) in the Earth's atmosphere is the highest it has been in at least 800,000 years, primarily due to human activities. CO2 is a greenhouse gas that traps heat and contributes to the warming of the planet. 4. Glacier retreat is a significant consequence of global warming. Over the past century, glaciers around the world have lost a substantial amount of ice, affecting water supplies, ecosystems, and contributing to sea-level rise. 5. The economic costs of climate change are substantial. According to estimates by the World Bank, the impacts of global warming, including extreme weather events, reduced agricultural productivity, and health-related expenses, could lead to an annual loss of 5-10% of global GDP by the end of the century.

The topic of global warming is of utmost importance to write an essay about due to its far-reaching implications for our planet and future generations. Global warming, driven by human activities, has led to unprecedented changes in our climate system, affecting ecosystems, economies, and human well-being. By exploring this topic in an essay, we can increase awareness and understanding of the causes, impacts, and potential solutions to address global warming. An essay on global warming provides an opportunity to delve into the scientific evidence supporting climate change, highlighting the role of greenhouse gas emissions, deforestation, and other factors. It allows for an examination of the consequences, such as rising temperatures, sea-level rise, and extreme weather events, on various aspects of life, including agriculture, biodiversity, and human health. Furthermore, discussing global warming in an essay encourages critical thinking and engagement with the complex social, political, and economic dimensions of the issue. It prompts us to consider the ethical responsibilities we have towards future generations, as well as the importance of international cooperation and policy actions to mitigate and adapt to climate change.

1. Intergovernmental Panel on Climate Change. (2018). Global Warming of 1.5°C. Cambridge University Press. 2. Solomon, S., Qin, D., Manning, M., Alley, R., Berntsen, T., Bindoff, N., ... & Zhang, P. (Eds.). (2007). Climate change 2007: the physical science basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press. 3. NASA. (2021). Global Climate Change: Vital Signs of the Planet. Retrieved from https://climate.nasa.gov/ 4. Union of Concerned Scientists. (2020). The Science of Climate Change. Retrieved from https://www.ucsusa.org/resources/science-climate-change 5. National Oceanic and Atmospheric Administration. (2019). Climate.gov. Retrieved from https://www.climate.gov/ 6. World Meteorological Organization. (2021). State of the Global Climate 2020. Retrieved from https://public.wmo.int/en/resources/state-of-the-global-climate 7. National Geographic. (2021). Climate Change. Retrieved from https://www.nationalgeographic.com/environment/global-warming/ 8. IPCC. (2014). Climate Change 2014: Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press. 9. United Nations. (2015). Paris Agreement. Retrieved from https://unfccc.int/process-and-meetings/the-paris-agreement/the-paris-agreement 10. Environmental Protection Agency. (2021). Climate Change. Retrieved from https://www.epa.gov/climate-change

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'Every fraction of a degree matters': Why climate action needs a new narrative

Experts suggest that positive stories of climate action can inspire change and motivate individuals and communities to get involved. Image:  Pexels/Pixabay

.chakra .wef-9dduvl{margin-top:16px;margin-bottom:16px;line-height:1.388;font-size:1.25rem;}@media screen and (min-width:56.5rem){.chakra .wef-9dduvl{font-size:1.125rem;}} Explore and monitor how .chakra .wef-15eoq1r{margin-top:16px;margin-bottom:16px;line-height:1.388;font-size:1.25rem;color:#F7DB5E;}@media screen and (min-width:56.5rem){.chakra .wef-15eoq1r{font-size:1.125rem;}} SDG 13: Climate Action is affecting economies, industries and global issues

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Stay up to date:, sdg 13: climate action.

• Global warming has exceeded 1.5°C for over 10 months, raising concerns about reaching the Paris Agreement target.
• Although scientists acknowledge exceeding the 1.5°C limit may be temporary and inevitable, they emphasize continued climate action to minimize warming.
• Current "1.5°C-aligned" corporate goals might be flawed as they may not account for supply chain emissions or rely on unreliable carbon offsets.
• Highlighting successful initiatives and focusing on solutions can motivate individuals and communities to get involved in climate action efforts.

The climate fight is not going well, according to the numbers. Global warming has exceeded 1.5°C above pre-industrial times for 10 months and counting. A year-long breach of the temperature limit relative to the years before 1900 has already happened in January, according to the European Union’s earth observatory.

Warming limits have been a core tenet of climate action for years. World leaders aimed to stay “well below 2°C” in the landmark 2015 Paris Agreement. In 2018, the rallying cry changed to 1.5°C after experts said anything warmer would be too unlivable.

What’s the World Economic Forum doing about climate change?

Climate change poses an urgent threat demanding decisive action. Communities around the world are already experiencing increased climate impacts, from droughts to floods to rising seas. The World Economic Forum's Global Risks Report continues to rank these environmental threats at the top of the list.

To limit global temperature rise to well below 2°C and as close as possible to 1.5°C above pre-industrial levels, it is essential that businesses, policy-makers, and civil society advance comprehensive near- and long-term climate actions in line with the goals of the Paris Agreement on climate change.

The World Economic Forum's Climate Initiative supports the scaling and acceleration of global climate action through public and private-sector collaboration. The Initiative works across several workstreams to develop and implement inclusive and ambitious solutions.

This includes the Alliance of CEO Climate Leaders, a global network of business leaders from various industries developing cost-effective solutions to transitioning to a low-carbon, climate-resilient economy. CEOs use their position and influence with policy-makers and corporate partners to accelerate the transition and realize the economic benefits of delivering a safer climate.

Contact us to get involved.

Businesses have followed suit. Corporate climate action watchdog Science Based Targets Initiative (SBTi) called on firms to cut emissions fast to help keep global warming to 1.5°C, generally by avoiding fossil fuels and reaching net-zero emissions by 2050. Thousands of organisations have signed up to this goal.

Scientists say droughts, floods and storms will get more severe past the 1.5°C global warming limit. Vulnerable communities worldwide are already reeling from climate disasters, such as floods in 2022 that killed over 1,700 people in Pakistan, to record heatwaves in the 40-50°C range across Asia last year.

Generally, the 1.5°C limit refers to temperature averages that occur longer than a year, and the world still has marginal leeway according to decadal metrics. Beyond stepping harder on the emissions reduction brakes, some sustainability professionals say a broader framing of climate targets and action could be more relatable and effective in driving action.

“As scientists, we recognise that limiting the global average temperature rise to 1.5°C is probably not realistic without first overshooting the goal,” said Dr Angel Hsu, environmental expert and associate professor at the University of North Carolina at Chapel Hill.

Hsu said global warming should still be limited as much as possible, as small temperature rises could still result in unexpected risks to people and nature.

“How we frame the goal now, along the lines of ‘every fraction of a degree matters’ is important to keeping people motivated to continue pursuing climate action,” she said.

Pakistan climate advocate Hafiz Jawad Sohail likewise thinks keeping to the 1.5°C target limit is unlikely.

“The consequences should be highlighted in bold for people to take it very seriously. If [we] miss 2°C, it will be the climate boiling age where [the chances of] survival will be very thin,” Sohail said.

Scientists have said that moving from the 1.5°C limit to 2°C in temperature rise will essentially wipe out coral reefs that support fish stocks. Millions more would also be exposed to extreme heatwaves at the upper limit.

Focusing on the consequences of global warming could better help drive the point across for politicians, since they are driven by “profits and interests” that are also vulnerable to temperature rise, Sohail added.

The 1.5°C target is still very much in vogue in global negotiating fora. Mukhtar Babayev, incoming COP29 president this year, has stressed he wants to keep the temperature target “within reach”, by getting countries to set more ambitious climate action targets and unlocking more climate money to support developing nations.

“The temperature target has not yet been breached. That target does not relate to single years. It refers to longer-term averages, which are currently above 1.2°C.

“But there is a narrowing window of opportunity to act,” Mukhtar, who is Azerbaijan’s ecology and natural resources minister, said last month.

Temporary breach not a failure

Experts warn against treating the ongoing year-long breach as a failure. Woo Qiyun, a Singapore climate advocate, said the difference between short and long-term 1.5°C threshold breaches should be made clear, even as people are already feeling the effects of record warming globally.

“Without the differentiation, people might get confused and feel like [the] 1.5°C [limit] has been breached, when actually we still need to do a lot more to ensure this long-term temperature change does not hit 1.5°C,” Woo explained.

It could be hard to agree on when the 1.5°C warming limit is officially breached. While the latest monthly and one-year averages have exceeded the limit, the World Meteorological Organisation stated the 10-year mean up till 2023 was 1.2°C – the figure Babayev referenced. The United Nations’ Intergovernmental Panel on Climate Change (IPCC) uses a 20-year range, which for 2003-2022 is 1.03°C.

The 1.5°C breach is only “temporary”, said Rosa Perez, a Philippines-based lead author for the 2022 IPCC report.

This happens when areas like the Philippines enter the warm phase of the El Niño-Southern Oscillation (ENSO), a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean, Perez told Eco-Business.

“But countries really need to step up their nationally determined contributions (NDCs), make rapid and drastic energy use transformations, to a combination of renewables and vastly expanded energy efficiency.”

“Moving close to the 1.5 C limit is seen as the unwillingness of some countries not to heed the call of our scientists,” Perez added.

While experts say temporary blips shouldn’t count, there is no agreement on which figure actually matters, at least for the Paris Agreement.

“This is likely to result in distraction and delay just at the point when climate action is most urgent,” said a commentary published in the peer-reviewed Nature journal last December. The article’s authors recommended a 20-year metric, though based equally on a decade each of historical data and projections – bringing the 2022 figure to 1.26°C.

But as it stands, the world is headed for over 2.5°C of warming this century, as countries lag on climate targets. In recent years, communications around 1.5°C has shifted, with scientists calling for more ambitious action to pull temperatures back down after a likely overshoot.

Such efforts have largely not yet materialised. Man-made carbon dioxide levels are still creeping up, in parallel with fossil fuel use, despite realistic pathways calling for emissions to drop by over 40 per cent by 2030. Carbon dioxide sequestration – methods to suck up the gas from the atmosphere – needs to scale up by over 1,300 times by 2050, a 2023 report estimated , although many technologies remain nascent today.

The looming threshold aside, Hsu thinks there are other issues with how people relate to the 1.5°C figure today. Aligning corporate green goals to the target conceptually allocates the entire carbon budget to existing businesses and none to sustainability innovators, who may need emitting room to develop solutions against the climate crisis. Many companies’ “1.5°C-aligned” targets are also not credible, for omitting value chain emissions or using often flawed carbon offsets, she noted.

How to better frame climate action targets is “the million dollar question”, Hsu said. In an op-ed for Science journal last month, Hsu and a group of scientists argued that climate progress should be measured more broadly, including in job creation, renewable energy generation and lives saved through transitioning away from fossil fuels.

“We certainly need a broader dashboard of indicators and metrics to measure these benchmarks that can indicate progress is being made [and] in a way to better motivate climate action, since 1.5°C is pretty abstract and also seems insignificant,” Hsu said.

Have you read?

.chakra .wef-1c7l3mo{-webkit-transition:all 0.15s ease-out;transition:all 0.15s ease-out;cursor:pointer;-webkit-text-decoration:none;text-decoration:none;outline:none;color:inherit;}.chakra .wef-1c7l3mo:hover,.chakra .wef-1c7l3mo[data-hover]{-webkit-text-decoration:underline;text-decoration:underline;}.chakra .wef-1c7l3mo:focus,.chakra .wef-1c7l3mo[data-focus]{box-shadow:0 0 0 3px rgba(168,203,251,0.5);} this is how carbon capture could help us meet key paris agreement goals, what role does climate justice play in the paris agreement, what’s the difference between 1.5 and 2 degrees of global warming, the 1.5°c global warming limit is still within grasp – here's how we can reach it.

Suzy Goulding, head of sustainability for Asia Pacific and Middle East at public relations firm MSL, would agree. It was hard for most people to understand the complexities of climate change and its effects at a macro level, she said.

“I don’t think talking about the temperature limit and targets was ever that helpful in motivating businesses and policymakers to make sustainable changes.”

“Much more effective is to stress how these temperature changes are likely to impact businesses, communities and individuals,” Goulding said.

People understood how the weather affected their daily lives, and would be motivated to act if they believed they could help to improve their communities directly, she said, adding that the focus should be on targets around innovation, investment and awareness-building.

Goulding said there should be “a constant stream of good news stories” of positive change globally to show that the climate challenges can be overcome to spur action, rather than communicating on targets which are “pretty meaningless to the vast majority”.

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Climate Forward

The biden clean energy boom.

The president’s signature 2022 climate law has sparked a rapid clean energy boom but its political impact is a lot less clear.

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By David Gelles

It’s been nearly two years since President Biden signed the Inflation Reduction Act into law.

With a mix of tax incentives, federal subsidies and policy tweaks, the I.R.A. was designed to turbocharge America’s clean energy economy and put the country on the trajectory to a lower emissions future.

The Biden administration initially expected the law to provide some $370 billion in spending and tax credits for clean energy projects, but other groups expect the figure to be far higher as more companies and households take advantage of the law’s tax credits. The Brookings Institution estimated the I.R.A. could be worth $780 billion through 2031 , while Goldman Sachs set a potential total cost of $1.2 trillion .

The law was also set up to be a political win for Biden, delivering jobs and setting the stage for future emissions reductions in the run-up to the president’s rematch with Donald Trump.

We’ll be checking in on the I.R.A. regularly in the coming months, but with Election Day drawing closer, this much is becoming clear: The law is delivering on the economic front, but it has not become a winning political issue.

While big, industry-changing investments are already happening, public perception of the I.R.A. is being shaped by the plodding pace of industrial development and permitting, the fuzzy math of tax incentives and a heavy dose of partisan politics.

The boom in clean energy projects is astounding. Since the passage of the I.R.A. in 2022, incentives provided by the law helped drive roughly $332 billion in new investments in clean energy and transportation technologies. Almost all of that was private investments, as opposed to government spending, spurred on by an estimated $48 billion in federal tax credits.

(These figures come from the Clean Investment Monitor , a joint project of Rhodium Group and the M.I.T. Center for Energy and Environmental Policy Research.)

There are new Tesla battery plants in South Texas, solar panel factories in Oklahoma, wind energy facilities in New Mexico, and hundreds of other new projects in the works around the country.

In total, investments in clean energy and transportation accounted for a whopping 44 percent of all investment growth in fixed assets like plants, property and equipment in the entire U.S. economy last year, said Trevor Houser of the Rhodium Group.

Batteries and electric vehicles are the big winners. The I.R.A. included incentives specifically designed to spur the creation of a domestic supply chain for batteries and electric vehicles.

Since the law’s passage, $114 billion in new projects in those industries have been announced, according to Jay Turner, a professor at Wellesley College who is tracking the data with his students .

That was a calculated move, part of the broader effort by the Biden administration to catch up with China, which is dominating the market for solar panels and electric vehicles.

“Batteries are the biggest winner here,” he said. “We have seen an enormous influx of battery projects over the last two years, especially to the Southeast, which is now being referred to as the ‘Battery Belt.’”

While the initial flurry of projects announced was primarily in manufacturing, Turner said a new wave of projects taking advantage of the I.R.A. was moving further up the supply chain, with companies investing in facilities to process lithium, which is a crucial component for batteries, and polysilicon, a key ingredient for solar panels.

“There’s an effort to onshore the supply of raw materials,” he said, “not just the manufacturing.”

The climate impacts are poised to be significant. Two of the most straightforward ways to reduce emissions are by electrifying the grid and replacing gas guzzling cars with electric vehicles. The coming boom in battery production will go a long way toward accomplishing those goals.

“The level of battery manufacturing is enough to make a meaningful dent in emissions,” Turner said, “for both the transportation sector and to help continue decarbonizing the electricity sector.”

According to the Environmental Protection Agency, the I.R.A. will reduce carbon dioxide emissions from 2005 levels by 35 to 43 percent by 2030.

But while the law has succeeded in spurring the sale of electric vehicles, the country is falling behind in the administration’s ambitious plans to expand energy production from wind and solar, as my colleague Brad Plumer reported in February.

The political picture is more complicated. While much of the I.R.A. is working as intended, the American public is largely unaware of the story. The president did not mention the I.R.A. by name in his State of the Union speech in March. Most registered voters have not heard much about the Inflation Reduction Act, according to a survey by the Yale Program on Climate Change Communications . And most of the voters Yale surveyed don’t think the I.R.A. will help them or the country.

Even in states like Arizona and Georgia, two battleground states that are both big beneficiaries of the I.R.A., the president is trailing Trump in the polls . Biden campaign officials told my colleague Madeleine Ngo that the president’s economic policies have “delivered where Trump failed the American people.”

But Jennifer Harris, a former Biden administration economic policy official, acknowledged to Ngo that the investments did not have “as much voter penetration as they should.”

A big part of the reason the I.R.A. has not delivered a political punch is that the law was, by design, a long-term solution to a long-term problem. Climate change is a generational challenge, and, particularly with its reliance on tax credits, the I.R.A. was designed to reshape the economy over a decade, not an election cycle.

Capturing the political benefits of a future-focused law were always going to be hard in the short term.

“Projects that are announced and planned are not the same thing as projects that are operating, where people are going to work every day,” Turner said. “Until you actually see steel being erected and people going to work, it’s not going to change the politics.”

5 more things to know

More record heat and dangerous weather. The heat index in Miami reached 112 degrees Fahrenheit over the weekend, breaking the previous daily record by 11 degrees . In Mexico, dozens of monkeys fell dead from trees amid scorching temperatures .

Warming oceans are also behind the National Oceanic and Atmospheric Administration’s prediction that this year could see between 17 to 25 named tropical cyclones, the most the agency has ever forecast in May for the Atlantic Ocean .

Kenya gets support for its climate agenda. President William Ruto will have his state dinner at the White House on Thursday. As Declan Walsh, who covers Africa for the Times, wrote , 90 percent of Kenya’s energy comes from renewable sources, an advantage Ruto hopes to leverage to convert his country into an industrial powerhouse.

Today, the United States announced policies to support that vision , including loans for businesses that want to invest in clean manufacturing in Kenya or other African countries.

Rich nations are making billions from loans to help developing nations fight climate change. A Reuters investigation found that a substantial share of the loans were made at market rates for interest, rather than disbursed as grants. In some cases, they required recipients to purchase materials from companies in lending countries. The pattern may increase the stress on highly indebted countries like Kenya.

Half the world’s pastures are degraded and half the world’s mangroves are at risk of collapse, according to two separate reports. The first, by the United Nations Convention to Combat Desertification, warned that a sixth of the world’s food supplies is at risk from the deterioration of soils. The second, by the International Union for Conservation of Nature, highlighted the key role of mangroves as carbon sinks that help shield coastal cities from extreme weather events .

Senate Democrats opened a second investigation into former President Donald Trump’s meeting with oil and gas executives last month. At issue is whether Trump offered a “policies-for-money transaction” when he asked for $1 billion for his 2024 campaign so he could retake the White House and undo climate regulations. Read the full article from Lisa Friedman, who covers climate policy in Washington .

More climate news

Heatmap News looks at the United States’ direct air capture boom.

Millions of septic tanks in the American South are becoming a serious threat to public health as sea level rises, the Washington Post reports .

Eight young Alaskans are suing the state, claiming that a new gas export project violates their rights under the State Constitution, The Guardian reports .

The Washington Post shows where in the country heat waves may cause blackouts .

Climatewire examined why the United States’ hottest city is seeing a surge in deaths.

Correction : Because of an editing error, a picture caption in the Tuesday newsletter gave an incorrect temperature conversion. One hundred degrees Fahrenheit is roughly equivalent to 37 Celsius, not 30 Celsius.

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David Gelles reports on climate change and leads The Times’s Climate Forward newsletter and events series . More about David Gelles

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News and Analysis

Over the past year of record-shattering warmth, the average person on Earth experienced 26 more days of abnormally high temperatures  than they otherwise would have, were it not for human-induced climate change, scientists said.

The Biden administration laid out for the first time a set of broad government guidelines around the use of carbon offsets  in an attempt to shore up confidence in a method for tackling global warming that has faced growing criticism.

A group of health experts, economists and U.S. government lawyers are working to address a growing crisis: people dying on the job from extreme heat. They face big hurdles .

Adopting Orphaned Oil Wells:  Students, nonprofit groups and others are fund-raising to cap highly polluting oil and gas wells  abandoned by industry.

Struggling N.Y.C. Neighborhoods:  New data projects are linking social issues with global warming. Here’s what that means for five communities in New York .

Biden Environmental Rules:  The Biden administration has rushed to finalize 10 major environmental regulations  to meet its self-imposed spring deadline.

F.A.Q.:  Have questions about climate change? We’ve got answers .

A Glimpse into the Five Major Religions

This essay is about the five major world religions: Hinduism, Buddhism, Judaism, Christianity, and Islam. It provides a brief overview of each religion, including their origins, core beliefs, and how they have shaped global cultures. Hinduism emphasizes concepts like dharma and karma, while Buddhism teaches the Four Noble Truths and the path to enlightenment. Judaism focuses on a covenant with a single God and ethical conduct. Christianity is based on faith in Jesus Christ as the Son of God and savior, while Islam centers on the teachings of the prophet Muhammad as revealed in the Quran. Despite their differences, these religions all offer frameworks for moral conduct, community support, and devotion to a higher power, collectively influencing humanity’s understanding of meaning and purpose.

How it works

Religion has profoundly influenced human history, guiding societies with moral and spiritual frameworks. Five religions, in particular, have shaped global cultures and continue to impact billions of lives today: Hinduism, Buddhism, Judaism, Christianity, and Islam. Each of these religions provides unique perspectives on life, purpose, and humanity’s relationship with the divine, yet all share common themes of community, ethics, and transcendence.

Hinduism, originating over 4,000 years ago in the Indus Valley (modern-day Pakistan and India), is often considered the world’s oldest organized religion.

Its diversity of practices and beliefs are rooted in sacred texts like the Vedas and Upanishads. Key concepts include dharma (duty or righteousness), karma (the idea that actions influence future circumstances), and moksha (liberation from the cycle of rebirth). The religion is structured around a wide variety of deities, but Brahman, the supreme cosmic spirit, unites them all. Hinduism’s layered understanding of the universe shapes Indian culture through festivals, rituals, and philosophies.

Buddhism, which emerged from Hindu roots in the 5th century BCE, is based on the teachings of Siddhartha Gautama, or the Buddha. Central to Buddhism are the Four Noble Truths and the Eightfold Path, a framework that guides practitioners toward spiritual awakening. By recognizing suffering as an inherent aspect of human existence and understanding that desire causes this suffering, Buddhists believe one can achieve Nirvana, or enlightenment, through meditation, moral conduct, and wisdom. Despite sharing common principles, Buddhism is practiced in diverse forms, such as Theravada, Mahayana, and Vajrayana, each adapting to its cultural context.

Judaism, among the world’s oldest monotheistic religions, traces its roots to the ancient Hebrew people and the covenant between God and Abraham. Central to Jewish belief is the concept of a single, omnipotent God who delivered his laws to Moses, recorded in the Torah. Jewish tradition is built upon commandments that govern ethical conduct, social justice, and ritual practice. The rich tapestry of Jewish culture includes observance of holidays like Passover, Rosh Hashanah, and Yom Kippur. While Jewish communities are spread across the globe, they are united by a shared history, identity, and religious legacy.

Christianity emerged in the 1st century CE as an offshoot of Judaism, centered on the life and teachings of Jesus Christ, believed by Christians to be the Son of God and the savior of humanity. Christians view the Bible, comprising the Old and New Testaments, as the authoritative religious text. Key beliefs include the concepts of salvation through faith in Christ, the resurrection, and the promise of eternal life. Christianity’s influence has been monumental, spreading rapidly from the Middle East across Europe and the Americas. Today, it remains the largest religion in the world, with diverse traditions like Catholicism, Orthodoxy, and Protestantism.

Islam, founded in the 7th century CE in the Arabian Peninsula, centers on the belief in one God, Allah, and the prophethood of Muhammad. The Quran, the holy book of Islam, contains Allah’s revelations to Muhammad, while the Hadith documents the sayings and practices of the prophet. The Five Pillars of Islam define core acts of worship and include faith, prayer, charity, fasting, and pilgrimage to Mecca. Islam has a rich intellectual and cultural history, contributing significantly to science, art, and literature. Its primary branches, Sunni and Shia, reflect different interpretations of Islamic tradition.

Though each of these five religions is distinct, common threads run through them, such as the importance of moral conduct, community support, and devotion to a higher power or truth. Despite differences in practice and theology, these religions have all contributed to humanity’s understanding of ethics, meaning, and our place in the world. In a globalized society, understanding these faiths fosters greater respect and cooperation among diverse communities, helping to build a more harmonious world.

Cite this page

A Glimpse into the Five Major Religions. (2024, May 21). Retrieved from https://papersowl.com/examples/a-glimpse-into-the-five-major-religions/

"A Glimpse into the Five Major Religions." PapersOwl.com , 21 May 2024, https://papersowl.com/examples/a-glimpse-into-the-five-major-religions/

PapersOwl.com. (2024). A Glimpse into the Five Major Religions . [Online]. Available at: https://papersowl.com/examples/a-glimpse-into-the-five-major-religions/ [Accessed: 31 May. 2024]

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"A Glimpse into the Five Major Religions," PapersOwl.com , 21-May-2024. [Online]. Available: https://papersowl.com/examples/a-glimpse-into-the-five-major-religions/. [Accessed: 31-May-2024]

PapersOwl.com. (2024). A Glimpse into the Five Major Religions . [Online]. Available at: https://papersowl.com/examples/a-glimpse-into-the-five-major-religions/ [Accessed: 31-May-2024]

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