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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 members are everyday people just like you.
Our work
Report
Too Hot to Work
Outdoor workers in the US have up to 35 times the risk of dying from heat exposure than the general population.
Podcast
Ford F-150 Pickup Truck Goes Electric
Vehicles expert Dr. David Reichmuth discusses the pros and cons of the new electric pickup truck.
Feature
50 Years of Science and Action
Since our founding in 1969 we've helped address some of the world’s most pressing problems.
Activist Resource
How Scientists Can Help Fight Gerrymandering
We need a fair and transparent process for redistricting. Scientists can help.
How we work
Accomplishments
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Ride-Hailing Will Go Electric in CA after UCS Advocacy
California passed a first-of-its kind requirement that ride-hailing companies like Uber and Lyft electrify the miles driven by their fleets. UCS brought attention to emissions produced from ride-hailing services in a 2020 report.