EPA Clean Air Rules

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EPA Eases Clean Air Rules for Older Plants

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Probe Digs into Iraq's History of Torture

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Listening to Animals

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Study Suggests Ocean Once Teemed with Whales

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White House Sets Climate Research Goals

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Study Finds Trees Grow Faster in New York City

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New Twist in Controlling Greenhouse Gases

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U.S. to Probe Mass Graves in Iraq

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Oldest Human Fossils Found

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American Forces Seek to Collect Iraqi Small Arms

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U.S. Disbands Iraqi Military

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