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Global Risk
Press release
Nuclear Notebook: Russian Nuclear Weapons 2025 Federation of American Scientists Unveils Comprehensive Analysis of Russia’s Nuclear Arsenal

Russia currently maintains nearly 5,460 nuclear warheads, with an estimated 1,718 deployed. This represents a slight decrease in total warheads from previous years but still positions Russia as the world’s largest nuclear power alongside the United States.

05.13.25 | 3 min read
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Environment
Press release
The Federation of American Scientists Joins Coalition to Prepare for and Prevent Wildfires

With wildfire risk increasing and the potential for destruction along with it continues to grow nationwide, the Federation of American Scientists (FAS) today joins with other organizations to launch a new coalition, Partners in Wildfire Prevention.

05.07.25 | 3 min read
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Environment
Press release
Position on the Senate Companion of The Fix Our Forests Act

The Federation of American Scientists supports the Senate version of the Fix Our Forests Act.

04.11.25 | 3 min read
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Emerging Technology
Press release
Position on National Security Commission on Emerging Biotechnology Final Report: Charting the Future of Biotechnology

The Federation of American Scientists supports the National Security Commission on Emerging Biotechnology’s Final Report and the Recommendations contained within it.

04.10.25 | 2 min read
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Environment
Press release
Position On The Heating and Cooling Relief Act of 2025

The Federation of American Scientists supports The Heating and Cooling Relief Act of 2025. With summer right around the corner, it is more important than ever to ensure life-saving home cooling is affordable to all Americans.

04.07.25 | 2 min read
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Environment
Press release
Position On The Cool Roof Product Rebate Act of 2025

The Cool Roof Product Rebate Act of 2025 would direct the Secretary of Energy to establish a federal rebate program for the purchase and installation of cool roofs. Cool roofs can help households lower energy costs, prevent the negative health impacts of high indoor temperatures, and improve community resiliency by reducing the strain on the grid.

04.07.25 | 1 min read
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Environment
Press release
Position on S.1166, The Excess Urban Heat Mitigation Act

Extreme heat is the leading weather-related cause of injury and death and innovations in the built environment can save money and lives.

04.01.25 | 1 min read
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FAS
Press release
Federation of American Scientists Announces Arrival of our Inaugural Cohort of Senior Fellows to Advance Audacious Policy that Benefits Society

Fellows Brown, Janani Flores, Krishnaswami, Ross and Vinton will work on projects spanning government modernization, clean energy, workforce development, and economic resiliency

03.17.25 | 4 min read
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Global Risk
Press release
Chinese Nuclear Weapons, 2025: Federation of American Scientists Reveals Latest Facts on Beijing’s Nuclear Buildup

China is NOT a nuclear “peer” of the United States, as some contend.
China’s total number of approximately 600 warheads constitutes only a small portion of the United States’ estimated stockpile of 3,700 warheads.

03.12.25 | 3 min read
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Environment
Press release
Position on the Re-Introduction of the Modernizing Wildfire Safety and Prevention Act of 2025

The Federation of American Scientists strongly supports the Modernizing Wildfire Safety and Prevention Act of 2025.

03.11.25 | 1 min read
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Environment
Press release
Position on the Regional Leadership in Wildland Fire Research Act of 2025

The Federation of American Scientists strongly supports the Regional Leadership in Wildland Fire Research Act of 2025.

03.11.25 | 1 min read
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Global Risk
Press release
Federation of American Scientists Welcomes Dr. Yong-Bee Lim as Associate Director of the Global Risk Team

Dr. Lim will help develop, organize, and implement FAS’s growing contribution in the area of catastrophic risk including on core areas of nuclear weapons, AI and national security, space, and other emerging technologies.

03.07.25 | 2 min read
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