In this Dec. 3, 2009 file photo smoke billows from a chimney of the cooling towers of a coal-fired power plant in Dadong, Shanxi province, China. The International Energy Agency says the world's energy-related carbon dioxide emissions rose 1.4 percent in 2012 to a record high of 31.6 gigatons, even as the U.S. posted its lowest emissions since the mid-1990s. In a report released Monday June 10, 2013, the IEA says China saw the largest emissions growth last year, but the increase was among the lowest seen in a decade amid investments in renewable energy and energy efficiency. (AP Photo/Andy Wong, File)
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