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We use science to make change happen.
The Union of Concerned Scientists is a member-supported nonprofit that’s fighting for a safer and healthier world.
Our work
Video
The Infuriating Link Between Wildfires and Fossil Fuel Companies
Groundbreaking science shows how oil and gas companies bear at least some responsibility for worsening forest fires.
Report
The Fossil Fuels Behind Forest Fires
Some of the world’s largest fossil fuel producers are now directly connected to wildfires across western North America.
Activist Resource
Ethylene Oxide: What You Can Do
We need stronger science-based protections for ethylene oxide.
Activist Resource
The Good Food for All Collaborative
A coalition that's transforming the food system through community engagement, political education, and collaborative advocacy strategies.
How we work
Accomplishments
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Decades of UCS Work Reflected in White House Guidance
The White House’s Office of Science and Technology Policy issued a landmark framework for scientific integrity that will protect federal science from undue political interference—guidance that reflects decades of UCS research and advocacy.