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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
Feature
50 Years of Science and Action
Since our founding in 1969 we've helped address some of the world’s most pressing problems.
Podcast
What's on the Horizon? Offshore Wind
Energy analyst John Rogers is back with exciting developments in the offshore wind industry.
Video
Ending Sole Authority
In the United States, the sole authority to order the use of nuclear weapons belongs to the president.
Report
Environmental Racism in the Heartland
A legacy of systemic racial discrimination has left communities in the Kansas City area disproportionately exposed to health-damaging pollutants.
How we work
Accomplishments
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Helped Pass Climate and Equitable Jobs Act in Illinois
The new law—which UCS tirelessly advocated for with the Illinois Clean Jobs Coalition—sets a goal of 100% clean energy, while prioritizing environmental justice communities for pollution reductions.