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Science for people and the planet.
The Union of Concerned Scientists is a member-supported nonprofit that’s fighting for a safer and healthier world.
Our work
Activist Resource
Resources for Federal Scientists
Are you a federal scientist, contractor, or federal worker? Here are resources to have on hand during the Trump administration.
Report
Tracing Tides
Major fossil fuel producers have played a large role in driving climate change and increasing global temperatures and sea levels, prompting questions about who bears responsibility.
OPEN LETTER
An Open Letter on NOAA
More than 2,500 scientists call on Congress and the Trump administration to protect NOAA.
Blog Series
Scientists Respond to the Trump Administration
Our experts and analysts weigh in on the latest developments from the White House.
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Accomplishments
Clemens van Lay/Unsplash
Nuclear Security Agency Responds To UCS Scientist's Concerns
After a UCS scientist co-authored an article on the potential for a certain kind of in demand uranium fuel to be used to make nuclear weapons, US nuclear security agency NNSA agreed to sponsor a study on this risk.