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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
UCS vs Anti-Science Actions
We're suing the Trump administration on a wide range of issues—and winning.
Activist Resource
Protect the Vote in November 2026
With the 2026 midterm election on the near horizon, we must do everything we can to safeguard fair elections and protect the right to vote.
Report
Wringing the West Dry
Climate change is disrupting the already scarce water resources of the Western United States.
Video
How Offshore Wind Lowers Prices
A dispatch curve demonstrates how renewable sources of energy, like offshore wind, can lower electricity prices by avoiding fuel costs.
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Accomplishments
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UCS Influence, Advocacy, Lead to Colorado Battery Recycling Win
UCS helped draft Colorado legislation for the strongest EV battery recycling policy in the US and used local media to make the case for its passage; the bill, which will extend the useful life of EV batteries and keep them out of landfills, is now law.