Sean Gallup/Getty Images
Science in service of people and the planet.
The Union of Concerned Scientists is a member-supported nonprofit that’s fighting for a safer and healthier world.
Our work
Video
The Case Against ExxonMobil, Chevron, and other Fossil Fuel Companies
Across the world, fossil fuel companies face a wave of new lawsuits for their role in the climate crisis.
Feature
Attacks on Science Tracker
This tool tracks attacks on science from the second Trump administration.
Feature
UCS vs Anti-Science Actions
We're suing the Trump administration on a wide range of issues—and winning.
Video
UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
How we work
Accomplishments
Trevor Hayes/Unsplash
Victory in UCS Lawsuit against National Parks Censorship
In coalition with other organizations, UCS brought a case against the Trump administration for censoring historical and climate-related information in national parks; a US District Court has ordered the administration to restore all such information.