Getty/Hero 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
Feature
2025 UCS Science Defenders
The 2025 UCS Science Defenders share a special commitment to leverage science to help their communities. We are so pleased to introduce them, and their great work.
Feature
2025 Annual Report
Science won't be silenced.
Feature
Dirty Air, Dirty Deeds
President Trump has given free rein to some of the most polluting industries in the country.
Video
UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
How we work
Accomplishments
Images by K/Getty Images
More Solar for Michigan
It’s now easier for Michiganders to connect clean distributed energy resources like rooftop solar, after UCS advocated for Michigan utility DTE to simplify and modernize its processes.