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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
Podcast
Artificial Intelligence Unleashed
Jess talks with artificial intelligence experts Chris Mattmann of NASA’s Jet Propulsion Laboratory and Meriem Bekka of vmWare about the technological, social, and environmental aspects of our A.I. future.
Activist Resource
Elsevier and RELX’s Climate Problem
Elsevier, one of the world’s largest academic publishing companies, is closely linked with the fossil fuel industry. It should cut those ties.
Activist Resource
The Science and Climate Litigation Webinar Series
Trainings, discussions, and case studies focused on the intersection of law, climate change, and science.
Explainer
Nuclear Frontline Communities
Nuclear frontline communities are people and communities directly harmed by nuclear weapons and nuclear materials.
How we work
Accomplishments
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Cleaner Air in California as Trucks Rule Passes
UCS analysis and advocacy helped shape, strengthen, and pass a CA rule requiring large fleets of commercial trucks, delivery vans, and buses to transition to zero-emission vehicles by 2036—a huge win for cleaner air and reducing global warming emissions.