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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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2024 UCS Science Defenders
The 2024 UCS Science Defenders share a special commitment to leverage science to help their communities. We are so pleased to introduce them, and their great work.
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2024 Annual Report
With your help, we made significant strides toward a better future in 2024.
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.
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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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Millions of Midwesterners Benefit from Milestone Clean Energy Investment
In a move that will boost reliable, inexpensive clean energy and jobs in the region—that UCS has supported in state legislatures and with utility regulators for years—a Midwestern utility has voted to invest billions in its transmission system.