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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.
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Led by former South Carolina Congressman Bob Inglis, we encourage climate leadership among conservative Americans and elected officials.
Virginia Climate Center
Works to enhance Virginia’s resilience to the impacts of climate variability and climate change.
Our Latest Work
Support 4C
The work of Mason 4C is made possible through generous philanthropic support. You can support our research and programs directly through a tax-deductible donation processed by the George Mason University Foundation.
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.”
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Stay Connected
Get the latest Mason 4C research, Climate Notes, events, and practical insights on climate communication delivered to your inbox.