President Barack Obama wipes perspiration from his face as he speaks about climate change, Tuesday, June 25, 2013, at Georgetown University in Washington. The president is proposing sweeping steps to

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President Barack Obama wipes perspiration from his face as he speaks about climate change, Tuesday, June 25, 2013, at Georgetown University in Washington. The president is proposing sweeping steps to limit heat-trapping pollution from coal-fired power plants and to boost renewable energy production on federal property, resorting to his executive powers to tackle climate change and sidestepping the partisan gridlock in Congress. (AP Photo/Charles Dharapak) less 

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Associated Press
Wed, Jun 26, 2013 2:10 AM EDT