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climate change

What Are Limits on EPA? Clean Air Act Holds Answers

Given the built-in limitations on EPA authority contained in the Clean Air Act, fears of agency "overreach" are misplaced.

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Fact Sheet: U.S. Climate Action in 2009-2010

While federal climate change legislation has stalled, federal agencies, states, and Congress made some progress on controlling greenhouse gas emissions in the past two years.

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Summarizing the Investigations on Climate Science

A series of international investigations into recent climate science controversies are now publishing their findings, and so far, they have cleared climate scientists of manipulating the evidence, and reaffirmed the integrity of the basic science.

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Unfinished Business on Earth Day's 40th Anniversary

While Earth Day’s founders couldn’t have predicted it, acting on climate change has become the country’s great unfinished business.

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