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Union of Concerned Scientists

Working on solutions to reduce air pollution and global warming, protect biodiversity, prevent nuclear proliferation, and ensure a sustainable, safe food system.
2 Brattle Square, P.O. Box 9105, Cambridge, MA 02238-9105
Phone: (800) 666-8276

UCS is an independent nonprofit alliance of more than 100,000 concerned citizens and scientists. We augment rigorous scientific analysis with innovative thinking and committed citizen advocacy to build a cleaner, healthier environment and a safer world. UCS's programs are the means by which we accomplish this. They are the pressure points translating vision into action. Through them, we connect the best scientific insights with the knowledge and support of an astute citizenry and apply them to the machinery of government at all levels—with results that have set a standard for effective advocacy for decades.

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Does global warming cause bad weather? Find out what scientists have to say about  the relationship between climate change and the current onslaught of heat and hurricanes.

Legal loopholes let light trucks trash the planet It's bad enough that automakers exploit flaws in U.S. fuel economy standards, but our tax code also encourages consumers to buy large gas-guzzling vehicles.

Science abused at NOAA Fisheries A survey of government scientists reveals that political appointees are manipulating the agency's research and undermining its ability to protect endangered sea life.

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