People attend the U.N. climate talks conference in Doha, Qatar, Wednesday, Dec. 

People attend the U.N. climate talks conference in Doha, Qatar, Wednesday, Dec. 5, 2012. The delegates are aiming to seal an interim pact by December 7 on reducing Earth-warming greenhouse gas emissions.(AP Photo/Osama Faisal)
Associated Press
People attend the U.N. climate talks conference in Doha, Qatar, Wednesday, Dec. 5, 2012. The delegates are aiming to seal an interim pact by December 7 on reducing Earth-warming greenhouse gas emissions.(AP Photo/Osama Faisal)
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