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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.
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Explainer
Does Cold Weather Disprove Climate Change?
It most certainly does not—but it does change the intensity of the heaviest storms.
Blog Series
Scientists Respond to the Trump Administration
Our experts and analysts weigh in on the latest developments from the White House.
Report
Making the Most of Electric Vehicle Batteries
With smart policies and investments, the US can reduce the need for newly mined lithium by nearly half.
Activist Resource
Resources for Federal Scientists
Are you a federal scientist, contractor, or federal worker? Here are resources to have on hand as we transition to a new administration.
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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.