All features
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UCS vs Anti-Science Actions
We're suing the Trump administration on a wide range of issues—and winning.
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2025 UCS Science Defenders
The 2025 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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Dirty Air, Dirty Deeds
President Trump has given free rein to some of the most polluting industries in the country.
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2025 Annual Report
Science won't be silenced.
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Fossil Fuel Climate Deceit Timeline
Fossil fuel companies foresaw the devastating impacts of climate change more than 60 years ago.
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Attacks on Science
Disappearing data. Silenced scientists. We've tracked threats to the federal scientific enterprise for decades.
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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.
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Science Hub for Climate Litigation
We're connecting scientific experts, legal scholars, and practitioners working at the intersection of science and climate litigation.
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2023 UCS Science Defenders
The 2023 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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2023 Annual Report
How did UCS perform over the last year?
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Satellite Database
In-depth details on the 7,560 satellites currently orbiting Earth, including their country of origin, purpose, and other operational details.