Activists dressed as polar bears stage a protest at the U.N. Climate Summit in Copenhagen on Monday, Dec. 14, 2009, on behalf of humans who are being hit hard by climate change. (AP Photo/Heribert Proepper)
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Activists dressed as polar bears stage a protest at the U.N. Climate Summit in Copenhagen on Monday, Dec. 14, 2009, on behalf of humans who are being hit hard by climate change. (AP Photo/Heribert Proepper)
