essay on ways to prevent global warming

Essay on Prevention of Global Warming for Students and Children

500 words essay on prevention of global warming.

Global warming is a term you must have heard by now as it is very prevalent in today’s world. Moreover, it has become a very dangerous environmental issue which we must resolve as soon as possible. If we do not prevent it now, soon we will find it hard to survive on this planet.

Every person needs to contribute equally to help prevent global warming. Similarly, we must identify the causes that are contributing to this dangerous phenomenon and work hard to find solutions. Furthermore, we must immediately put a halt to all those activities which are causing global warming .

Causes of Global Warming

There are many activities through which global warming is happening. Mostly human activities are contributing to this damaging phenomenon. The carbon dioxide levels are increasing in the air which is causing global warming. Moreover, the increase in greenhouse gases is also contributing to this phenomenon.

Furthermore, the usages of hot water for various purposes like bathing, cleaning and more release gases contribute to it. After that, when we make use of ordinary bulbs instead of LED lights, we contribute majorly to global warming. Similarly, the way people leave their electronic devices unattended when not in use also plays a big role.

Most importantly, deforestation and cutting plants everywhere just make it worse for our planet. The way we burn wood and fossil fuels only makes the condition of global warming worse. Similarly, when we use too much of automobiles that release harmful toxins in the air, the temperature of earth increases and causes global warming. In order to prevent global warming, we must adopt an eco-friendly lifestyle to make the future safe for our future generations.

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

Ways to Prevent Global Warming

There are many changes we can bring about in our life both big and small to prevent global warming and save our planet. Firstly, we must stop deforestation in all forms. Do not cut down more trees as it will only worsen the level of carbon dioxide in the air. Instead, encourage people to plant even more trees to create a fine balance in nature.

Moreover, it reduces the usage of energy everywhere. It does not matter if you are at your home or at your office, the higher the energy used the more the carbon dioxide produced. Thus, do not waste electricity as it requires the burning of fossil fuels. As a result of the burning of fossil fuels , greenhouse gases in the atmosphere increase rapidly and contribute to global warming. Moreover, reduce the carbon footprint and do not travel through planes that often.

Most importantly, replace all your ordinary bulbs with LED lights. It will help in reducing the use of energy by a massive amount. Similarly, do not waste that energy. Instead of becoming more dependent, we need to reduce our dependence on fossil fuels and electricity right away.

Opt for eco-friendly options like solar energy and win power. Take up the habit of recycling and reusing. Do not throw away things instead learn to reuse them properly. Further, carpool with your neighbors and relatives to not contribute to automobile exhausts and emissions.

FAQs on Prevention of Global Warming

Q.1 What is causing global warming?

A.1 There are many human activities that cause global warming. Some of them are the usage of hot water, old light bulbs, burning fossil fuels, wasting electricity, using excessive automobiles, deforestation and many more.

Q.2 How can we prevent global warming?

A.2 We can prevent global warming by adopting a healthy lifestyle. Try to carpool with your relatives and friends to not produce carbon emissions. Moreover, do not cut down trees unnecessarily and also replace old electronic gadgets.

Customize your course in 30 seconds

Which class are you in.

• Travelling Essay
• Picnic Essay
• Our Country Essay
• My Parents Essay
• Essay on Favourite Personality
• Essay on Memorable Day of My Life
• Essay on Knowledge is Power
• Essay on Gurpurab
• Essay on My Favourite Season
• Essay on Types of Sports

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Download the App

Lisa Hupp/USFWS

Arctic Match Live Now!

For a limited time, all gifts are being matched to stop Big Oil from blocking a new once-in-a-lifetime opportunity to protect the Arctic.

How You Can Stop Global Warming

Healing the planet starts in your garage, in your kitchen, and at your dining room table.

Weatherizing doors and windows by sealing drafts can make your home more energy efficient.

Getty Images

• Share this page block

Rising sea levels. Raging storms. Searing heat. Ferocious fires. Severe drought. Punishing floods. The effects of climate change are already threatening our health, our communities, our economy, our security, and our children’s future.

What can you do? A whole lot, as it turns out. Americans, on average, produce 21 tons of carbon a year, about four times the global average. Personal action is, of course, no substitute for meaningful government policies. We still must limit carbon pollution and aggressively move away from dirty fossil fuels toward cleaner power.

But it’s important to remember the equally vital contributions that can be made by private citizens—which is to say, by you. “Change only happens when individuals take action,” says clean energy advocate Aliya Haq. “There’s no other way, if it doesn’t start with people.”

Here are a dozen easy, effective ways each one of us can make a difference.

1. Speak up!

What’s the single biggest way you can make an impact on global climate change? “Talk to your friends and family, and make sure your representatives are making good decisions,” Haq says. By voicing your concerns—via social media or, better yet, directly to your elected officials —you send a message that you care about the warming world. Encourage Congress to enact new laws that limit carbon emissions and require polluters to pay for the emissions they produce. “The main reason elected officials do anything difficult is because their constituents make them,” Haq says. You can help protect public lands, stop offshore drilling, and more here .

2. Power your home with renewable energy.

Choose a utility company that generates at least half its power from wind or solar and has been certified by Green-e Energy , an organization that vets renewable energy options. If that isn’t possible for you, take a look at your electric bill; many utilities now list other ways to support renewable sources on their monthly statements and websites.

3. Weatherize, weatherize, weatherize.

“Building heating and cooling are among the biggest uses of energy,” Haq says. Indeed, heating and air-conditioning account for almost half of home energy use. You can make your space more energy efficient by sealing drafts and ensuring it’s adequately insulated. You can also claim federal tax credits for many energy efficiency home improvements. To help you figure out where to start, you could also get a home energy audit, which some utilities offer free of charge. (Alternatively, you can hire a professional to come to your home and perform one; the Inflation Reduction Act offers a partial tax credit for this.) The EPA’s Home Energy Yardstick gives you a simple assessment of your home’s annual energy use compared with similar homes.

4. Invest in energy-efficient appliances.

Since they were first implemented nationally in 1987, efficiency standards for dozens of appliances and products have kept 2.3 billion tons of carbon dioxide out of the air. That’s about the same amount as the annual carbon pollution coughed up by nearly 440 million cars. “Energy efficiency is the lowest-cost way to reduce emissions,” Haq says. When shopping for refrigerators, washing machines, heat pump water heaters , and other appliances, look for the Energy Star label. It will tell you which are the most efficient. (There may also be rebates to earn from your purchase of Energy Star–certified products.)

And when you’re ready to swap out your old machines, don’t just put them on the curb: Recycling an old refrigerator through the EPA’s Responsible Appliance Disposal Program can prevent an additional 10,000 pounds of carbon pollution because the global-warming pollutants in the refrigerants and foam would be properly captured rather than vented to the air.

5. Reduce water waste.

Saving water reduces carbon pollution, too. That's because it takes a lot of energy to pump, heat, and treat your water. So take shorter showers, turn off the tap while brushing your teeth, and switch to WaterSense -labeled fixtures and appliances. The EPA estimates that if just one out of every 100 American homes were retrofitted with water-efficient fixtures, about 100 million kilowatt-hours of electricity per year would be saved—avoiding 80,000 tons of global warming pollution .

6. Actually eat the food you buy—and compost what you can’t.

Approximately 10 percent of U.S. energy use goes into growing, processing, packaging, and shipping food—about 40 percent of which winds up in the landfill. “If you’re wasting less food, you’re likely cutting down on energy consumption,” Haq says. As for the scraps you can’t eat or the leftovers you don’t get to, collect them in a compost bin instead of sending them to the landfill where they release methane. Recycling food and other organic waste into compost provides a range of environmental benefits, including improving soil health, reducing greenhouse gas emissions, recycling nutrients, and mitigating the impact of droughts.

7. Buy better bulbs.

LED light bulbs use one-sixth the amount of energy to deliver the same amount of light as conventional incandescents and last at least 10 times longer. They’re also cheaper in the long run: A 10-watt LED that replaces your traditional 60-watt bulb will save you $125 over the light bulb’s life. And because the average American home has around 40 to 50 light bulbs, this is a simple swap that will reap huge rewards. If every household in the United States replaced just one incandescent with an Energy Star–labeled LED, we would prevent seven billion pounds of carbon pollution per year. That’s equivalent to the emissions of about 648,000 cars.

8. Pull the plug(s).

Taken together, the outlets in your home are likely powering about 65 devices—an average load for a home in the United States. Audio and video devices, cordless vacuums and power tools, and other electronics use energy even when they're not charging. This "idle load" across all U.S. households adds up to the output of 50 large power plants in the country . So don't leave fully charged devices plugged into your home's outlets, unplug rarely used devices or plug them into power strips and timers, and adjust your computers and monitors to automatically power down to the lowest power mode when not in use.

9. Drive a fuel-efficient vehicle.

Gas-smart cars, such as hybrids and fully electric vehicles, save fuel and money . And once all cars and light trucks meet 2025’s clean car standards, which means averaging 54.5 miles per gallon, they’ll be a mainstay. For good reason: Relative to a national fleet of vehicles that averaged only 28.3 miles per gallon in 2011, Americans will spend $80 billion less at the pump each year and cut their automotive emissions by half. Before you buy a new set of wheels, compare fuel-economy performance here .

10. Maintain your ride.

If all Americans kept their tires properly inflated, we could save 1.2 billion gallons of gas each year. A simple tune-up can boost miles per gallon anywhere from 4 percent to 40 percent, and a new air filter can get you a 10 percent boost. Also, remove unnecessary accessories from your car roof. Roof racks and clamshell storage containers can reduce fuel efficiency by as much as 5 percent.

11. Rethink planes, trains, and automobiles.

Choosing to live in walkable smart-growth cities and towns with quality public transportation leads to less driving, less money spent on fuel, and less pollution in the air . Less frequent flying can make a big difference, too. “Air transport is a major source of climate pollution,” Haq says. “If you can take a train instead, do that.” If you must fly, consider purchasing carbon offsets to counterbalance the hefty carbon pollution associated with flying. But not all carbon offset companies are alike. Do your homework to find the best supplier.

12. Reduce, reuse, and recycle.

In the United States, the average person generates 4.5 pounds of trash every day. Fortunately, not all the items we discard end up in landfills; we recycle or compost more than one-third of our trash. In 2014 this saved carbon emissions equivalent to the yearly output of 38 million passenger cars . But we could be doing so much more. “ Reduce should always be the number-one priority,” says NRDC senior resource specialist Darby Hoover . And to reap the environmental benefits of “recyclable” goods, you must recycle according to the rules of your municipality, since systems vary widely by location . Search your municipality’s sanitation department (or equivalent) webpage to learn exactly what you can place in the recycling bin, as counties and cities often differ in what they accept.

This story was originally published on April 20, 2022 and has been updated with new information and links.

This NRDC.org story is available for online republication by news media outlets or nonprofits under these conditions: The writer(s) must be credited with a byline; you must note prominently that the story was originally published by NRDC.org and link to the original; the story cannot be edited (beyond simple things such as grammar); you can’t resell the story in any form or grant republishing rights to other outlets; you can’t republish our material wholesale or automatically—you need to select stories individually; you can’t republish the photos or graphics on our site without specific permission; you should drop us a note to let us know when you’ve used one of our stories.

Related Stories

A Consumer Guide to the Inflation Reduction Act

What Are the Solutions to Climate Change?

How to Ditch the Biggest Fossil Fuel Offenders in Your Life

When you sign up, you’ll become a member of NRDC’s Activist Network. We will keep you informed with the latest alerts and progress reports.

• News, Stories & Speeches
• Get Involved
• Structure and leadership
• Committee of Permanent Representatives
• UN Environment Assembly
• Funding and partnerships
• Policies and strategies
• Evaluation Office
• Secretariats and Conventions
• Asia and the Pacific
• Latin America and the Caribbean
• New York Office
• North America
• Climate action
• Nature action
• Chemicals and pollution action
• Digital Transformations
• Disasters and conflicts
• Environment under review
• Environmental rights and governance
• Extractives
• Fresh Water
• Green economy
• Ocean, seas and coasts
• Resource efficiency
• Sustainable Development Goals
• Youth, education and environment
• Publications & data

1. Spread the word

Encourage your friends, family and co-workers to reduce their carbon pollution. Join a global movement like  Count Us In, which aims to inspire 1 billion people to take practical steps and challenge their leaders to act more boldly on climate. Organizers of the platform say that if 1 billion people took action, they could reduce as much as 20 per cent of global carbon emissions. Or you could sign up to the UN’s  #ActNow campaign on climate change and sustainability and add your voice to this critical global debate.

2. Keep up the political pressure

Lobby local politicians and businesses to support efforts to cut emissions and reduce carbon pollution.  #ActNow Speak Up  has sections on political pressure and corporate action - and Count Us In also has  some handy tips  for how to do this. Pick an environmental issue you care about, decide on a specific request for change and then try to arrange a meeting with your local representative. It might seem intimidating but your voice deserves to be heard. If humanity is to succeed in tackling the climate emergency, politicians must be part of the solution. It’s up to all of us to keep up with the pressure. 

3. Transform your transport

Transport accounts for around a quarter of all greenhouse gas emissions and across the world, many governments are implementing policies to decarbonize travel. You can get a head start: leave your car at home and walk or cycle whenever possible. If the distances are too great, choose public transport, preferably electric options. If you must drive, offer to carpool with others so that fewer cars are on the road. Get ahead of the curve and buy an electric car. Reduce the number of long-haul flights you take. 

4. Rein in your power use

If you can, switch to a zero-carbon or renewable energy provider. Install solar panels on your roof. Be more efficient: turn your heating down a degree or two, if possible. Switch off appliances and lights when you are not using them and better yet buy the most efficient products in the first place (hint: this will save you money!). Insulate your loft or roof: you’ll be warmer in the winter, cooler in the summer and save some money too. 

5. Tweak your diet

Eat more plant-based meals – your body and the planet will thank you. Today, around 60 per cent of the world’s agricultural land is used for livestock grazing and people in many countries are consuming more animal-sourced food than is healthy. Plant-rich diets can help reduce chronic illnesses, such as heart disease, stroke, diabetes and cancer.

The climate emergency demands action from all of us. We need to get to net zero greenhouse gas emissions by 2050 and everyone has a role to play.

6. Shop local and buy sustainable

To reduce your food’s carbon footprint, buy local and seasonal foods. You’ll be helping small businesses and farms in your area and reducing fossil fuel emissions associated with transport and cold chain storage. Sustainable agriculture uses up to 56 per cent less energy, creates 64 per cent fewer emissions and allows for greater levels of biodiversity than conventional farming. Go one step further and try growing your own fruit, vegetables and herbs. You can plant them in a garden, on a balcony or even on a window sill. Set up a community garden in your neighbourhood to get others involved. 

7. Don’t waste food

One-third of all food produced is either lost or wasted. According to UNEP’s  Food Waste Index Report 2021 , people globally waste 1 billion tonnes of food each year, which accounts for around 8-10 per cent of global greenhouse gas emissions. Avoid waste by only buying what you need. Take advantage of every edible part of the foods you purchase. Measure portion sizes of rice and other staples before cooking them, store food correctly (use your freezer if you have one), be creative with leftovers, share extras with your friends and neighbours and contribute to a local food-sharing scheme. Make compost out of inedible remnants and use it to fertilize your garden. Composting is one of the best options for managing organic waste while also reducing environmental impacts.

8. Dress (climate) smart

The fashion industry accounts for 8-10 per cent of global carbon emissions – more than all international flights and maritime shipping combined – and ‘fast fashion’ has created a throwaway culture that sees clothes quickly end up in landfills. But we can change this. Buy fewer new clothes and wear them longer. Seek out sustainable labels and use rental services for special occasions rather than buying new items that will only be worn once. Recycle pre-loved clothes and repair when necessary.

9. Plant trees  

Every year approximately 12 million hectares of forest are destroyed and this deforestation, together with agriculture and other land use changes, is responsible for roughly 25 per cent of global greenhouse gas emissions. We can all play a part in reversing this trend by planting trees, either individually or as part of a collective. For example, the Plant-for-the-Planet initiative allows people to sponsor tree-planting around the world.

Check out this UNEP guide to see what else you can do as part of the UN Decade on Ecosystem Restoration , a global drive to halt the degradation of land and oceans, protect biodiversity, and rebuild ecosystems. 

10. Focus on planet-friendly investments

Individuals can also spur change through their savings and investments by choosing financial institutions that do not invest in carbon-polluting industries. #ActNow Speak Up  has a section on money and so does  Count Us In . This sends a clear signal to the market and already many financial institutions are offering more ethical investments, allowing you to use your money to support causes you believe in and avoid those you don’t. You can ask your financial institution about their responsible banking policies and find out how they rank in independent research. 

UNEP is at the front in support of the Paris Agreement goal of keeping the global temperature rise well below 2°C, and aiming - to be safe - for 1.5°C, compared to pre-industrial levels. To do this, UNEP has developed a Six-Sector Solution . The Six Sector Solution is a roadmap to reducing emissions across sectors in line with the Paris Agreement commitments and in pursuit of climate stability. The six sectors identified are Energy; Industry; Agriculture & Food; Forests & Land Use; Transport; and Buildings & Cities.

• Clean fuels
• Energy Efficiency
• Sustainable Development

Further Resources

• 7 climate action highlights to remember before COP26
• Climate Action Note - data you need to know
• Emissions Gap Report 2021
• Food Waste Index 2021
• Act Now: the UN campaign for individual action
• Count Us In
• Food Loss and Waste Website

Related Content

Related Sustainable Development Goals

© 2024 UNEP Terms of Use Privacy   Report Project Concern Report Scam Contact Us

Facilities Management, Northwestern University

10 ways to stop global warming, want to help stop global warming here are 10 simple things you can do and how much carbon dioxide you'll save doing them..

Change a light Replacing one regular light bulb with a compact fluorescent light bulb will save 150 pounds of carbon dioxide a year. 

Drive less  Walk, bike, carpool or take mass transit more often. You'll save one pound of carbon dioxide for every mile you don't drive!

Recycle more You can save 2,400 pounds of carbon dioxide per year by recycling just half of your household waste.

Check your tires Keeping your tires inflated properly can improve your gas mileage by more than 3 percent. Every gallon of gasoline saved keeps 20 pounds of carbon dioxide out of the atmosphere.

Use less hot water It takes a lot of energy to heat water. Use less hot water by taking shorter and cooler showers and washing your clothes in cold or warm instead of hot water (more than 500 pounds of carbon dioxide saved per year).

Avoid products with a lot of packaging You can save 1,200 pounds of carbon dioxide if you reduce your garbage by 10 percent.

Adjust your thermostat Moving your thermostat down just 2 degrees in winter and up 2 degrees in summer could save about 2,000 pounds of carbon dioxide a year.

Plant a tree A single tree will absorb one ton of carbon dioxide over its lifetime.

Turn off electronic devices Simply turning off your television, DVD player, stereo, and computer, when you're not using them, will save you thousands of pounds of carbon dioxide a year.

What can we do to slow or stop global warming?

There is no one-size-fits-all approach to stopping or slowing global warming, and each individual, business, municipal, state, tribal, and federal entity must weigh their options in light of their own unique set of circumstances.  Experts say  it is likely many strategies working together will be needed. Generally speaking, here are some examples of mitigation strategies we can use to slow or stop the human-caused global warming ( learn more ):

• Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.
• Where feasible, we can drive electric vehicles instead of those that burn fossil fuels; or we can use mass transit instead of driving our own cars.
• Where affordable, we can conserve energy by better insulating our homes and buildings, and by replacing old, failing appliances with more energy-efficient models.
• Where practicable, we can counterbalance our annual carbon dioxide emissions by investing in commercial services that draw down an equal amount of carbon out of the atmosphere, such as through planting trees or  carbon capture and storage  techniques.
• Where practical, we can support more local businesses that use and promote sustainable, climate-smart practices such as those listed above.
• We can consider placing an upper limit on the amount of carbon dioxide we will allow ourselves to emit into the atmosphere within a given timeframe.

Note that NOAA doesn’t advocate for or against particular climate policies. Instead, NOAA’s role is to provide data and scientific information about climate, including how it has changed and is likely to change in the future depending on different climate policies or actions society may or may not take. More guidance on courses of action can be found in the National Academy of Sciences' 2010 report, titled  Informing an Effective Response to Climate Change . Also learn more  here,   here,  and  here .

Thanks to low friction between train wheels and tracks, and level train tracks with gradual turns, trains have high energy efficiency. Photo from National Park Service Amtrak Trails and Rails .

Stabilizing global temperature near its current level requires eliminating all emissions of heat-trapping gases or, equivalently, achieving a carbon-neutral society in which people remove as much carbon from the atmosphere as they emit. Achieving this goal will require substantial societal changes in energy technologies and infrastructure that go beyond the collective actions of individuals and households to reduce emissions.

We value your feedback

Help us improve our content

Related Content

News & features, after sandy: changes and choices, national climate assessment: states and cities are already reducing carbon emissions to save lives and dollars, improving models for wind energy, maps & data, climate forcing, sst - sea surface temperature, land - terrestrial climate variables, teaching climate, toolbox for teaching climate & energy, climate youth engagement, young voices for the planet film series, climate resilience toolkit, climate science for water professionals, carbon balance, alaska and the arctic.

New to Climate Change?

What can be done about climate change.

It is not too late to take action on climate change.

The Science

Given what we know about the threats that climate change poses to humans, we must take swift action. As a global community, we need to soon level off—and then decrease—the amount of carbon dioxide (CO 2 ) and other greenhouse gases in the atmosphere. The faster we do this, the less damage we will cause to our world and our way of life.

Stopping the Rise in CO2

The fastest way to address the buildup of CO 2 in the atmosphere is to stop adding more. Many vital parts of our economy emit huge amounts of greenhouse gases: the way we generate electricity and heat for our buildings and industry; the oil we burn to power our cars, trucks and planes; the refrigerants we use to preserve our food and cool our buildings; and the intensive manufacturing processes for making concrete and steel .

And yet there are many ways to reduce the CO 2 from these sectors. We can replace high-emitting fuels like coal, oil and gas with nearly “carbon-free” alternatives, such as solar power , wind power , or nuclear power . We can capture the CO 2 from fossil fuel power and manufacturing plants and store it underground. We can also update our buildings and infrastructure, so that it takes less energy to build and use them.

We can add to these efforts by trying to remove some of the CO 2 that is already in the atmosphere: for instance, by reforesting the Earth, by changing our farming practices to store more carbon in the soil , or through “direct air capture” technology. However, these methods will likely not be able to remove CO 2 quicker than we are now adding it to the atmosphere. We must begin with stopping our runaway greenhouse gas emissions.

Adapting to Change

Because human activity has already added such a large amount of greenhouse gases to the atmosphere, the world is now experiencing the early effects of climate change. We need to prepare for and adapt to these changes, so that we can protect human health, water and food supplies, our cities and towns , and natural habitats. A new field of work has emerged to reinforce coastlines to shield them from rising oceans , grow new crops to match regions’ changing climates, protect our infrastructure from wildfires and hurricanes , and plan for shifting supplies of water and food.

Today, these tasks are still manageable. If we get ahead of the regional changes we know are coming, and if we put the needs of the poorest and most vulnerable first, very few parts of the world will be irreparably damaged by the climate change we have already caused.

But unless we also actively cut our greenhouse gas emissions, unchecked climate change could eventually put safe and just adaptation beyond our reach. This possibility has led some scientists to study more extreme and controversial options, like geoengineering; for example, there are proposals that would try to artificially cool the Earth to counter some of the effects of climate change. Urgent action is needed to avoid the need for these riskier options.

Driving Solutions

Great progress can and must be achieved with the low-carbon technologies we have today. And all of us can help speed the pace at which these technologies take root and spread. Individuals can change their behavior and advocate for ambitious new policies. Corporations can drive change across whole industries. Governments can enact laws to make it easier and cheaper to cut greenhouse gas emissions, and to help communities prepare for new challenges. And intergovernmental agreements such as the Paris Agreement have already created a strong framework for international cooperation and aggressive action, if governments around the world step up their commitments .

At the same time, the world does not have a true alternative to fossil fuels that can meet all our current energy needs, let alone meet an increased demand in the future. We severely lack the suite of solutions to address climate change at an economic and social cost that we can agree to bear.

A tremendous amount of work is taking place at MIT and other scientific and engineering institutions around the world to develop these options, in collaboration with the industries and communities that can deploy and scale them. But to quicken the pace of technological breakthroughs, policymakers need to set the stage now for game-changing advances in multiple fields of science, technology, and policy. To take on the hardest challenges in reducing our emissions, in removing CO 2 from the atmosphere, and in adapting to a changing climate, we urgently need new tools.

Seizing the Opportunity

The MIT community fundamentally agrees that climate change presents grave risks that demand society’s urgent attention. The challenge requires an aggressive and pragmatic plan to achieve a net zero carbon global energy system, the sooner the better, for all of humankind.

If academia, business, government, and citizens act together toward this common goal, we can create a pollution-free energy system; form a prosperous, adaptable and resilient society; keep human, animal, and plant life flourishing; and create a better world for ourselves and generations to come.

You may notice that we, the writers on this site, use the word “we” to collectively refer to those who have benefitted in various ways from burning fossil fuels, those who will face the impacts of climate change, and those whose responsibility it is to act. We did this intentionally to create a sense of community in addressing this challenge. However, we acknowledge that people and groups across the globe have not equally benefitted from the use of fossil fuels, and many – including young people and future generations – will disproportionately endure the consequences. We, those who are affiliated with MIT and those who live in developed countries, are often among those whose activities have historically had a disproportionate impact on climate change. Therefore, we see that we have a greater responsibility – as professionals, citizens, community members, and consumers – to act to reverse its course.

Beef up your knowledge on specific climate change impacts and solutions with our quick explanations about clean energy, climate models, and much more, written by MIT experts.

Have Questions?

Whether it's simple or sticky, about science or solutions, ask us! We work with MIT faculty and scientists to get you clear, no-nonsense answers grounded in the best scientific information.

Tinker Around

Create your own set of climate change solutions in this online simulator from Climate Interactive and MIT Sloan’s Sustainability Initiative.

Take a Course

Extend your learning with edX's online courses on clean energy, food security, sustainable architecture, protecting health and many more.

Collections of news, posts, and research around major climate science topics. 

The Paris Agreement

Renewable Energy

Carbon Pricing

Mit climate news in your inbox.

November 26, 2007

10 Solutions for Climate Change

Ten possibilities for staving off catastrophic climate change

By David Biello

Mark Garlick Getty Images

The enormity of global warming can be daunting and dispiriting. What can one person, or even one nation, do on their own to slow and reverse climate change ? But just as ecologist Stephen Pacala and physicist Robert Socolow, both at Princeton University, came up with 15 so-called " wedges " for nations to utilize toward this goal—each of which is challenging but feasible and, in some combination, could reduce greenhouse gas emissions to safer levels —there are personal lifestyle changes that you can make too that, in some combination, can help reduce your carbon impact. Not all are right for everybody. Some you may already be doing or absolutely abhor. But implementing just a few of them could make a difference.

Forego Fossil Fuels —The first challenge is eliminating the burning of coal , oil and, eventually, natural gas. This is perhaps the most daunting challenge as denizens of richer nations literally eat, wear, work, play and even sleep on the products made from such fossilized sunshine. And citizens of developing nations want and arguably deserve the same comforts, which are largely thanks to the energy stored in such fuels.

On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing . By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.

Oil is the lubricant of the global economy, hidden inside such ubiquitous items as plastic and corn, and fundamental to the transportation of both consumers and goods. Coal is the substrate, supplying roughly half of the electricity used in the U.S. and nearly that much worldwide—a percentage that is likely to grow, according to the International Energy Agency. There are no perfect solutions for reducing dependence on fossil fuels (for example, carbon neutral biofuels can drive up the price of food and lead to forest destruction, and while nuclear power does not emit greenhouse gases, it does produce radioactive waste), but every bit counts.

So try to employ alternatives when possible—plant-derived plastics, biodiesel, wind power—and to invest in the change, be it by divesting from oil stocks or investing in companies practicing carbon capture and storage.

Infrastructure Upgrade —Buildings worldwide contribute around one third of all greenhouse gas emissions (43 percent in the U.S. alone), even though investing in thicker insulation and other cost-effective, temperature-regulating steps can save money in the long run. Electric grids are at capacity or overloaded, but power demands continue to rise. And bad roads can lower the fuel economy of even the most efficient vehicle. Investing in new infrastructure, or radically upgrading existing highways and transmission lines, would help cut greenhouse gas emissions and drive economic growth in developing countries.

Of course, it takes a lot of cement, a major source of greenhouse gas emissions, to construct new buildings and roads. The U.S. alone contributed 50.7 million metric tons of carbon dioxide to the atmosphere in 2005 from cement production, which requires heating limestone and other ingredients to 1,450 degrees Celsius (2,642 degrees Fahrenheit). Mining copper and other elements needed for electrical wiring and transmission also causes globe-warming pollution.

But energy-efficient buildings and improved cement-making processes (such as using alternative fuels to fire up the kiln) could reduce greenhouse gas emissions in the developed world and prevent them in the developing world.

Move Closer to Work —Transportation is the second leading source of greenhouse gas emissions in the U.S. (burning a single gallon of gasoline produces 20 pounds of CO 2 ). But it doesn't have to be that way.

One way to dramatically curtail transportation fuel needs is to move closer to work, use mass transit, or switch to walking, cycling or some other mode of transport that does not require anything other than human energy. There is also the option of working from home and telecommuting several days a week.

Cutting down on long-distance travel would also help, most notably airplane flights, which are one of the fastest growing sources of greenhouse gas emissions and a source that arguably releases such emissions in the worst possible spot (higher in the atmosphere). Flights are also one of the few sources of globe-warming pollution for which there isn't already a viable alternative: jets rely on kerosene, because it packs the most energy per pound, allowing them to travel far and fast, yet it takes roughly 10 gallons of oil to make one gallon of JetA fuel. Restricting flying to only critical, long-distance trips—in many parts of the world, trains can replace planes for short- to medium-distance trips—would help curb airplane emissions.

Consume Less —The easiest way to cut back on greenhouse gas emissions is simply to buy less stuff. Whether by forgoing an automobile or employing a reusable grocery sack, cutting back on consumption results in fewer fossil fuels being burned to extract, produce and ship products around the globe.

Think green when making purchases. For instance, if you are in the market for a new car, buy one that will last the longest and have the least impact on the environment. Thus, a used vehicle with a hybrid engine offers superior fuel efficiency over the long haul while saving the environmental impact of new car manufacture.

Paradoxically, when purchasing essentials, such as groceries, buying in bulk can reduce the amount of packaging—plastic wrapping, cardboard boxes and other unnecessary materials. Sometimes buying more means consuming less.

Be Efficient —A potentially simpler and even bigger impact can be made by doing more with less. Citizens of many developed countries are profligate wasters of energy, whether by speeding in a gas-guzzling sport-utility vehicle or leaving the lights on when not in a room.

Good driving—and good car maintenance, such as making sure tires are properly inflated—can limit the amount of greenhouse gas emissions from a vehicle and, perhaps more importantly, lower the frequency of payment at the pump.

Similarly, employing more efficient refrigerators, air conditioners and other appliances, such as those rated highly under the U.S. Environmental Protection Agency's Energy Star program, can cut electric bills while something as simple as weatherproofing the windows of a home can reduce heating and cooling bills. Such efforts can also be usefully employed at work, whether that means installing more efficient turbines at the power plant or turning the lights off when you leave the office .

Eat Smart, Go Vegetarian? —Corn grown in the U.S. requires barrels of oil for the fertilizer to grow it and the diesel fuel to harvest and transport it. Some grocery stores stock organic produce that do not require such fertilizers, but it is often shipped from halfway across the globe. And meat, whether beef, chicken or pork, requires pounds of feed to produce a pound of protein.

Choosing food items that balance nutrition, taste and ecological impact is no easy task. Foodstuffs often bear some nutritional information, but there is little to reveal how far a head of lettuce, for example, has traveled.

University of Chicago researchers estimate that each meat-eating American produces 1.5 tons more greenhouse gases through their food choice than do their vegetarian peers. It would also take far less land to grow the crops necessary to feed humans than livestock, allowing more room for planting trees.

Stop Cutting Down Trees —Every year, 33 million acres of forests are cut down . Timber harvesting in the tropics alone contributes 1.5 billion metric tons of carbon to the atmosphere. That represents 20 percent of human-made greenhouse gas emissions and a source that could be avoided relatively easily.

Improved agricultural practices along with paper recycling and forest management—balancing the amount of wood taken out with the amount of new trees growing—could quickly eliminate this significant chunk of emissions.

And when purchasing wood products, such as furniture or flooring, buy used goods or, failing that, wood certified to have been sustainably harvested. The Amazon and other forests are not just the lungs of the earth, they may also be humanity's best short-term hope for limiting climate change.

Unplug —Believe it or not, U.S. citizens spend more money on electricity to power devices when off than when on. Televisions, stereo equipment, computers, battery chargers and a host of other gadgets and appliances consume more energy when seemingly switched off, so unplug them instead.

Purchasing energy-efficient gadgets can also save both energy and money—and thus prevent more greenhouse gas emissions. To take but one example, efficient battery chargers could save more than one billion kilowatt-hours of electricity—$100 million at today's electricity prices—and thus prevent the release of more than one million metric tons of greenhouse gases.

Swapping old incandescent lightbulbs for more efficient replacements, such as compact fluorescents (warning: these lightbulbs contain mercury and must be properly disposed of at the end of their long life), would save billions of kilowatt-hours. In fact, according to the EPA, replacing just one incandescent lightbulb in every American home would save enough energy to provide electricity to three million American homes.

One Child —There are at least 6.6 billion people living today, a number that is predicted by the United Nations to grow to at least nine billion by mid-century. The U.N. Environmental Program estimates that it requires 54 acres to sustain an average human being today—food, clothing and other resources extracted from the planet. Continuing such population growth seems unsustainable.

Falling birth rates in some developed and developing countries (a significant portion of which are due to government-imposed limits on the number of children a couple can have) have begun to reduce or reverse the population explosion. It remains unclear how many people the planet can comfortably sustain, but it is clear that per capita energy consumption must go down if climate change is to be controlled.

Ultimately, a one child per couple rule is not sustainable either and there is no perfect number for human population. But it is clear that more humans means more greenhouse gas emissions.

Future Fuels —Replacing fossil fuels may prove the great challenge of the 21st century. Many contenders exist, ranging from ethanol derived from crops to hydrogen electrolyzed out of water, but all of them have some drawbacks, too, and none are immediately available at the scale needed.

Biofuels can have a host of negative impacts, from driving up food prices to sucking up more energy than they produce. Hydrogen must be created, requiring either reforming natural gas or electricity to crack water molecules. Biodiesel hybrid electric vehicles (that can plug into the grid overnight) may offer the best transportation solution in the short term, given the energy density of diesel and the carbon neutral ramifications of fuel from plants as well as the emissions of electric engines. A recent study found that the present amount of electricity generation in the U.S. could provide enough energy for the country's entire fleet of automobiles to switch to plug-in hybrids , reducing greenhouse gas emissions in the process.

But plug-in hybrids would still rely on electricity, now predominantly generated by burning dirty coal. Massive investment in low-emission energy generation, whether solar-thermal power or nuclear fission , would be required to radically reduce greenhouse gas emissions. And even more speculative energy sources—hyperefficient photovoltaic cells, solar energy stations in orbit or even fusion—may ultimately be required.

The solutions above offer the outline of a plan to personally avoid contributing to global warming. But should such individual and national efforts fail, there is another, potentially desperate solution:

Experiment Earth —Climate change represents humanity's first planetwide experiment. But, if all else fails, it may not be the last. So-called geoengineering , radical interventions to either block sunlight or reduce greenhouse gases, is a potential last resort for addressing the challenge of climate change.

Among the ideas: releasing sulfate particles in the air to mimic the cooling effects of a massive volcanic eruption; placing millions of small mirrors or lenses in space to deflect sunlight; covering portions of the planet with reflective films to bounce sunlight back into space; fertilizing the oceans with iron or other nutrients to enable plankton to absorb more carbon; and increasing cloud cover or the reflectivity of clouds that already form.

All may have unintended consequences, making the solution worse than the original problem. But it is clear that at least some form of geoengineering will likely be required: capturing carbon dioxide before it is released and storing it in some fashion, either deep beneath the earth, at the bottom of the ocean or in carbonate minerals. Such carbon capture and storage is critical to any serious effort to combat climate change.

Additional reporting by Larry Greenemeier and Nikhil Swaminathan .

Here are the most effective things you can do to fight climate change

PhD Student, University of Leeds

Disclosure statement

Max Callaghan does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

University of Leeds provides funding as a founding partner of The Conversation UK.

View all partners

Limiting global warming to 1.5°C above pre-industrial levels requires reaching net zero emissions by the middle of this century. This means that, in less than three decades, we need to reverse more than a century of rising emissions and bring annual emissions down to near zero, while balancing out all remaining unavoidable emissions by actively removing carbon from the atmosphere.

To help speed this process as individuals, we’ve got to do everything we can to cut down our use of fossil fuels. But many people aren’t aware of the most effective ways to do this. Thankfully, the latest report by the UN climate change panel IPCC devotes a chapter to all the ways in which changes in people’s behaviour can accelerate the transition to net zero.

The chapter includes an analysis of 60 individual actions which can help fight climate change, building on research led by Diana Ivanova at the University of Leeds – and to which I contributed. We grouped these actions into three areas: avoiding consumption, shifting consumption and improving consumption (making it more efficient). The charts below, produced for the IPCC report , show what we found.

What to avoid

By far the most effective things to avoid involve transport. Living without a car reduces greenhouse gas emissions by an average of 2 tonnes of CO₂ emissions per person per year, while avoiding a single long distance return flight cuts emissions by an average of 1.9 tonnes. That’s equivalent to driving a typical EU car more than 16,000km from Hamburg, Germany to Ulaanbaatar, Mongolia and back.

Since the vast majority of the world’s population do not fly at all – and of those who do, only a small percentage fly frequently – fliers can make very substantial reductions to their carbon footprints with each flight they avoid.

What to shift

But living sustainably is not just about giving things up. Large reductions in emissions can be achieved by shifting to a different way of doing things. Because driving is so polluting, for example, shifting to public transport , walking or cycling can make an enormous change, with added benefits for your personal health and local air pollution levels.

Likewise, because of the high emissions associated with meat and dairy – particularly those produced by farming sheep and cows – shifting towards more sustainable diets can substantially reduce your carbon footprint. A totally vegan diet is the most effective way to do this, but sizeable savings can be made simply by switching from beef and lamb to pork and chicken.

What to improve

Finally, the things we do already could be made more efficient by improving carbon efficiency at home: for example by using insulation and heat pumps , or producing your own renewable energy by installing solar panels . Switching from a combustion car to an electric one – ideally a battery EV, which generates much larger reductions in emissions than hybrid or fuel cell EVs – will make your car journeys more efficient. Plus, its effect on emissions will increase as time goes by and the amount of electricity generated by renewables grows.

In the race to net zero, every tonne of CO₂ really does count. If more of us take even a few of these suggestions into account, we’re collectively more likely to be able to achieve the ambitious goals set out in the Paris climate agreement . Of course, these changes will need to be backed by major political action on sustainability at the same time.

If we’re to use less fossil fuel energy, the use of fossil fuels needs to be either restricted or made more expensive. The social consequences of this need to be carefully managed so that carbon pricing schemes can benefit people on lower incomes: which can happen if revenues are redistributed to take the financial burden off poorer households.

But there’s a whole lot more that governments could do to help people to live more sustainably, such as providing better, safer public transport and “ active travel ” infrastructure (such as bike lanes and pedestrian zones) so that people have alternatives to driving and flying.

There’s no avoiding the fact that if political solutions are to address climate change with the urgency our global situation requires, these solutions will limit the extent to which we can indulge in carbon-intensive behaviours. More than anything, we must vote into power those prepared to make such tough decisions for the sake of our planet’s future.

Don’t have time to read about climate change as much as you’d like? Get a weekly roundup in your inbox instead. Every Wednesday, The Conversation’s environment editor writes Imagine, a short email that goes a little deeper into just one climate issue. Join the 10,000+ readers who’ve subscribed so far.

• Fossil fuels
• Climate change
• Renewable energy
• Sustainability
• Public transport
• Sustainable living
• climate mitigation
• Greenhouse gas emissions (GHG)

Head of Evidence to Action

Supply Chain - Assistant/Associate Professor (Tenure-Track)

Education Research Fellow

OzGrav Postdoctoral Research Fellow

Casual Facilitator: GERRIC Student Programs - Arts, Design and Architecture

A sunset lights a glacier in New Zealand's Fiordland National Park. Around the world, many glaciers are melting quickly as the planet warms.

• ENVIRONMENT

Are there real ways to fight climate change? Yes.

Humans have the solutions to fight a global environmental crisis. Do we have the will?

The evidence that humans are causing climate change, with drastic consequences for life on the planet, is overwhelming .

Experts began raising the alarm about global warming in 1979 , a change now referred to under the broader term climate change , preferred by scientists to describe the complex shifts now affecting our planet’s weather and climate systems. Climate change encompasses not only rising average temperatures but also extreme weather events, shifting wildlife populations and habitats, rising seas , and a range of other impacts.  

Over 200 countries—193 countries plus the 27 members of the European Union—have signed the Paris Climate Agreement , a treaty created in 2015 to fight climate change on a global scale. The Intergovernmental Panel on Climate Change (IPCC), which synthesizes the scientific consensus on the issue, has set a goal of keeping warming under 2°C (3.6°F) and pursuing an even lower warming cap of 1.5 °C (2.7° F).

But no country has created policies that will keep the world below 1.5 °C, according to the Climate Action Tracker . Current emissions have the world on track to warm 2.8°C by the end of this century.  

Addressing climate change will require many solutions —there's no magic bullet. Yet nearly all of these solutions exist today. They range from worldwide changes to where we source our electricity to protecting forests from deforestation.  

The promise of new technology

Better technology will help reduce emissions from activities like manufacturing and driving.  

Scientists are working on ways to sustainably produce hydrogen, most of which is currently derived from natural gas, to feed zero-emission fuel cells for transportation and electricity.  

Renewable energy is growing, and in the U.S., a combination of wind, solar, geothermal, and other renewable sources provide 20 percen t of the nation’s electricity.  

New technological developments promise to build better batteries to store that renewable energy, engineer a smarter electric grid, and capture carbon dioxide from power plants and store it underground or turn it into valuable products such as gasoline . Some argue that nuclear power—despite concerns over safety, water use, and toxic waste—should also be part of the solution, because nuclear plants don't contribute any direct air pollution while operating.

Should we turn to geoengineering?

While halting new greenhouse gas emissions is critical, scientists say we need to extract existing carbon dioxide from the atmosphere, effectively sucking it out of the sky.  

Pulling carbon out of the atmosphere is a type of geoengineering , a science that interferes with the Earth’s natural systems, and it’s a controversial approach to fighting climate change.

Other types of geoengineering involve spraying sunlight-reflecting aerosols into the air or blocking the sun with a giant space mirror. Studies suggest we don’t know enough about the potential dangers of geoengineering to deploy it.

Restoring nature to protect the planet  

Planting trees, restoring seagrasses, and boosting the use of agricultural cover crops could help clean up significant amounts of carbon dioxide .  

The Amazon rainforest is an important reservoir of the Earth’s carbon, but a study published in 2021, showed deforestation was transforming this reservoir into a source of pollution.  

Restoring and protecting nature may provide as much as   37 percent of the climate mitigation needed to reach the Paris Agreement’s 203o targets. Protecting these ecosystems can also benefit biodiversity, providing a win-win for nature .

Adapt—or else

Communities around the world are already recognizing that adaptation must also be part of the response to climate change . From flood-prone coastal towns to regions facing increased droughts and fires, a new wave of initiatives focuses on boosting resilience . Those include managing or preventing land erosion, building microgrids and other energy systems built to withstand disruptions, and designing buildings with rising sea levels in mind.

Last year, the Inflation Reduction Act was signed into law and was a historic investment in fighting and adapting to climate change.

( Read more about how the bill will dramatically reduce emissions. )

Recent books such as Drawdown and Designing Climate Solutions have proposed bold yet simple plans for reversing our current course. The ideas vary, but the message is consistent: We already have many of the tools needed to address climate change. Some of the concepts are broad ones that governments and businesses must implement, but many other ideas involve changes that anyone can make— eating less   meat , for example, or rethinking your modes of transport .

"We have the technology today to rapidly move to a clean energy system," write the authors of Designing Climate Solutions . "And the price of that future, without counting environmental benefits, is about the same as that of a carbon-intensive future."

Sarah Gibbens contributed reporting to this article.

Related Topics

• CLIMATE CHANGE
• ENVIRONMENT AND CONSERVATION
• AIR POLLUTION
• RENEWABLE ENERGY

You May Also Like

Another weapon to fight climate change? Put carbon back where we found it

Which cities will still be livable in a world altered by climate change?

Could seaweed be the 'fastest and least expensive' tool to fight climate change?

Listen to 30 years of climate change transformed into haunting music

How the historic climate bill will dramatically reduce U.S. emissions

• Best of the World
• Environment
• Paid Content

History & Culture

• History & Culture
• Out of Eden Walk
• Mind, Body, Wonder
• Here Not There
• Terms of Use
• Privacy Policy
• Your US State Privacy Rights
• Children's Online Privacy Policy
• Interest-Based Ads
• About Nielsen Measurement
• Do Not Sell or Share My Personal Information
• Nat Geo Home
• Attend a Live Event
• Book a Trip
• Inspire Your Kids
• Shop Nat Geo
• Visit the D.C. Museum
• Learn About Our Impact
• Support Our Mission
• Advertise With Us
• Customer Service
• Renew Subscription
• Manage Your Subscription
• Work at Nat Geo
• Sign Up for Our Newsletters
• Contribute to Protect the Planet

Copyright © 1996-2015 National Geographic Society Copyright © 2015-2024 National Geographic Partners, LLC. All rights reserved