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    The science is settled

    Ninety-seven percent of climate scientists agree that man-made climate change is a reality. We know it’s happening, and we know why: carbon pollution is warming our planet and creating dirty weather like extreme droughts, flooding, wildfires, and superstorms. And we’re all paying the price for it in lives, livelihoods, food and water scarcity, and in every way imaginable. 

    What can we do? Reduce carbon pollution. Right now, scientists tell us that we’re on track to see global temperatures rise up to 4°C by the end of the century, with a shift to a clean-energy economy, we can still create the sustainable and prosperous future we all want. But we have to act now.

    "Climate 101" with Bill Nye

    What You Can Do

    Watch & Share Watch this video and share it with your network.

    Take Climate 101 with Bill Nye (the Science Guy) and you'll be schooled in the scientific fundamentals of climate change in under 5 minutes. Separate fact from fiction, and we can end the debate and denial and move on to solutions, together.

    This is what we know

    Carbon pollution from burning fossil fuels like coal, oil, and natural gas is driving climate disruption and warming our planet. It’s simple: the more carbon pollution in the air, the more the sun’s energy gets trapped as heat. Which means things keep getting hotter. In fact, the world has already gotten nearly 1°C warmer since 1880.

    Warmer temperatures have real consequences for all of us—not just for polar bears. Sea levels around the world have risen nearly 20cm since 1901, swallowing entire islands and creeping closer to populated areas of great coastal cities like New York, Melbourne, Venice, Dakar, Guayaquil, and Chittagong. Plus, extreme weather events like torrential rain, floods, heat waves, and drought are becoming more frequent and intense.

    The warming that we’ve seen in the last 30 years is clearly due to human-made greenhouse gases. - James Hansen Former director, NASA Goddard Institute for Space Studies
    The denial machine

    Meanwhile, Big Polluters like oil and coal companies aren’t going down without a fight. After all, they’re making billions from dirty energy while the rest of us pay to clean up their mess. That’s why they’ve spent decades running well-funded campaigns to mislead and deceive the public about what’s really happening to the planet.  These polluters—and the special-interest groups they support—are even following the exact same playbook as the tobacco industry used to confuse the public about smoking and cancer.

    But scientists aren’t confused about carbon pollution and climate disruption. And we shouldn’t be either. If Big Polluters are spreading lies and blocking our path to a clean-energy future, then it’s up to us to call them out and get them out of the way. Our future is at stake.

    Carbon pollution is costing us

    Rising carbon pollution levels are raising global temperatures and disrupting our natural systems. The result? More extreme weather disasters, higher healthcare bills, and an uncertain future for our children, to name only a few costs.

    The good news is that we have a choice. We can keep paying the cost of carbon pollution to our livelihoods, our environment, our health, and to every aspect of our lives. Or we can shift to renewable energy, put a market price on carbon, and make the polluters pay for the damage they do.

    "The Cost of Carbon"

    What You Can Do

    Watch & Share Watch this video and share it with your network.

    It's the number one threat to the future of our planet, and we can no longer afford to pay its staggering costs. 

    What you can do

    A global challenge needs a global solution. So we’re inviting everyone to join the solution culture that’s taking on the biggest issue humanity has ever faced and to create a sustainable and prosperous future for us all.

    To do this, we all need to step up and play our part. And there are many ways you can help. Wherever you are, whatever you do, and whatever time you have, you can do something right now to bring us one step closer to a future without carbon pollution.

    Whether it’s watching a video that expands your awareness of the issue, sharing a post, signing a petition, reaching out to your leaders, donating to initiatives, wearing our gear, attending a training, or organizing a climate presentation in your community, the actions you take can have a real impact and help take our movement forward. We can create a better future, but only if we do it together. 

    Become a Climate Reality Leader

    What You Can Do

    Become a Climate Reality Leader Join a global network of activist influencers spreading the word and building public support for action in Paris. Take This Action

    Additional Climate Change Resources


    NASA’s Global Climate Change page is a one-stop resource not only for climate change science information, but also a variety of other climate-related multimedia data and mapping resources.

    Intergovernmental Panel on Climate Change

    The most recent global climate assessment, including future projects as well as other special reports are available through the IPCC’s portal.

    U.S. Environmental Protection Agency

    The U.S. Environmental Protection Agency web site includes a comprehensive climate science section and provides users information about impacts by region and strategies for mitigating and adapting.

    U.S. Global Change Research Program

    The U.S. Global Change Research Program conducts comprehensive assessments about the impacts of climate change in the U.S., including regional impacts, both observed and projected.

    The U.S. National Oceanic and Atmospheric Administration

    The U.S. National Oceanic and Atmospheric Administration’s climate website consolidates U.S. climate trends, data, climate change news, as well as teaching aids and tools to help explain the issues better.


    Skeptical Science

    Skeptical Science provides its users with the basics of climate change science as well as rebuttals to some of the most common myths perpetuated by climate change deniers.


    Climate Central

    Climate Central is a credible source of climate change news and analysis, as well as a range of videos, graphics and mapping tools that visualize local impacts like heat, extreme weather, and sea level rise.


    Renewable Energy World

    Renewable Energy World is a great news site focused solely on reporting renewable energy news, information, and recent sector developments.



    Cleantechnica is a blogging site devoted to various types of clean energy. It tracks the latest developments, analyses trends, offers FAQs and 101-style information on clean energy solutions.


    Greentech Media

    Greentech Media is another great site that provides news and analysis on all things green.


    Earthtechling is a blog that aggregates news articles about green buildings, transportation, and energy.

    The Union of Concerned Scientists

    The Union of Concerned Scientists has a “Clean Energy 101” section on their website that is very useful for people who have little or no prior knowledge of what clean energy is.

    The U.S. Energy Information Administration (EIA)

    The U.S. Energy Information Administration (EIA), while not devoted exclusively to clean energy, is a source of U.S. data, trends, graphics, reports, and analysis on renewable energy and carbon emissions.

    The International Renewable Energy Agency (IRENA)

    The International Renewable Energy Agency (IRENA) is an intergovernmental organization that produces reports, analysis, case studies, fact sheets and consolidates statistics related to renewable energy.

    The International Energy Agency (IEA)

    The International Energy Agency (IEA), while not devoted exclusively to clean energy, is a source of global, regional, and country level data, trends, reports on several types of clean energy sources.  

    The Georgetown Climate Center

    The Georgetown Climate Center provides communities with tools and other resources including a searchable Adaptation Clearinghouse resource database.

    Climate Adapt European Climate Adaptation Platform

    Climate Adapt European Climate Adaptation Platform provides users with climate vulnerability information as well as potential adaptation strategies, case studies, and other useful tools.

    NOAA’s Coastal Climate Adaptation site

    NOAA’s Coastal Climate Adaptation site includes a clickable map that lists adaptation-planning resources by state.

    Secretariat of the Pacific Regional Environment Programme

    Secretariat of the Pacific Regional Environment Programme’s Pacific Adaptation to Climate Change page is a Pacific-region focused resource helping communities to become more resilient to climate change’s impacts.

    George Mason Center for Climate Change Communication

    George Mason Center for Climate Change Communication maintains a site dedicated to providing resources for effective communication of climate change.

    Yale Project on Climate Change Communication

     Yale Project on Climate Change Communication offers communication resources on a variety of user-selectable topics.