Public understanding of climate change has grown in the U.S.

Americans increasingly understand that global warming is happening and human-caused.

Mason 4C partners with World Health Organization to launch new toolkit

The toolkit provides comprehensive resources to help health professionals effectively communicate about climate change and health

Climate Solutions are Health Solutions

Our Center’s Medical Society Consortium on Climate and Health empowers the trusted voices of health professionals and facilitates the medical community’s response to climate change.

Research in Action

We are a world-leading social science research center that identifies new opportunities to enhance public understanding of climate change, and increases public engagement with climate solutions.

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What We Do

Our research informs programs that activate the most trusted voices in America. Our programs activate trusted voices at scale with proven messages to help build public and political will for equitable climate solutions.

Climate Change in the American Mind

Our public opinion polling has explored and tracked public understanding of climate change since 2008.

Climate Matters in the Newsroom

Provides weathercasters and journalists nationwide with climate reporting resources about the relevance of climate change in their communities. 

Medical Society Consortium on Climate and Health

The Consortium raises public awareness about the health harms of climate change, and the health benefits of climate solutions.


Led by former South Carolina Congressman Bob Inglis, we encourage climate leadership among conservative Americans and elected officials.

National Park Service Internship

Our climate communication internship program with NPS elevates the climate stories of our national parks.

Virginia Climate Center

Works to enhance Virginia’s resilience to the impacts of climate variability and climate change.

Our Latest Work

Public understanding of climate change has grown in the U.S.
May 20 2024

Public understanding of climate change has grown in the U.S.

We are pleased to announce the latest version of the Climate Change in...
Apr 15 2024

What do Americans want to know about climate change?

Most Americans think global warming is happening and human-caused;...
Mar 29 2024

The attitude-behavior gap on climate action: How can it be bridged?

There are many ways that people can take action to reduce climate change,...
Jan 16 2024

Support for climate justice across Global Warming’s Six Americas

Photo by Fabrice Florin / Flickr Climate justice is an essential...
Jan 10 2024

Climate Change in the American Mind: Beliefs & Attitudes, Fall 2023

Download Full Report Report Summary This report is based on findings from...
Nov 29 2023

Climate Change in the American Mind: Politics & Policy, Fall 2023

Download Full Report Report Summary This report is based on findings from...
Nov 15 2023

How many Americans want an electric home?

The shift away from fossil fuels and towards renewable energy sources...
Nov 06 2023

Who supports climate justice in the U.S.?

USDA/FPAC Photo by Preston Keres Climate change is harming people in the...
Oct 25 2023

Which Republicans are worried about global warming?

Climate change is a politically divisive topic in the U.S., and this...
Oct 13 2023

What do Americans think is the biggest threat from global warming?

Americans have become more worried about and interested in global warming...

Support Our Work

The work of Mason's Center for Climate Change Communication (4C) would not be possible without the generous financial support we have received from philanthropic foundations and individual donors.

You too can support our important work by donating via a secure online donation form. Your financial contribution will be processed on our behalf by the George Mason University Foundation, and is tax deductible.

Our Impact

Our motivation is to apply our research discoveries about the public understanding of climate and communication to benefit the world.

Climate Matters

Provides more than 1,100 local weathercasters with localized climate reporting data. That's more than half of America's TV weathercasters.

Reporting on Climate Matters

Our research shows there's been a 100 fold increase in on-air climate reporting by weathercasters

The Power of the Health Voice

The Medical Society Consortium on Climate and Health has 50 national medical societies representing over 700,000 physicians—70% of U.S. doctors

Most Americans Think Global Warming Is Happening

Americans who think global warming is happening outnumber those who think it is not happening by a ratio of nearly 5 to 1 (74% versus 15%)

Concern about Global Warming

About two-thirds of Americans (66%) say they are at least “somewhat worried” about global warming. This includes 30% of Americans who say they are “very worried.”