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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
Report
Building Relationships, Building Power
Analysis shows how relational organizing, together with data-driven outreach, can increase voter turnout in historically marginalized communities.
Feature
Danger Season 2023
This tool, updated daily, shows how many people across the United States face risks right now from climate impacts.
Podcast
Under Pressure
Jess speaks from her experience conducting deep ocean research to answer questions about the recent disasters of the migrant ship sunk in Greek waters and the implosion of the Titan submersible.
Report
Lost Inheritance
Unless the legal issue known as heirs' property is resolved, Black farmers will continue to lose their land.
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.