Iñaki Antoñana Plaza
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
Explainer
What is Climate Loss and Damage?
Wealthy, polluting nations should pay for climate damages.
Report
Accelerating Clean Energy Ambition
With concerted action, the US can meet its climate goals—and see huge benefits to the economy and public health.
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.
Podcast
What’s Science Fiction is Prologue
Jess talks with Chuck Wendig, whose writing is both wildly creative and extraordinarily prescient.
How we work
Accomplishments
Jonathan Schmer/Pexels
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.