TVA led the nation in the reduction of carbon dioxide emissions among major U.S. utilities from 2005 to 2010.
Tennessee Valley Authority, reduced CO2 emissions by 19 million tons
Southern Co., reduced CO2 emissions by 15 million tons
American Electric Power, reduced CO2 emissions by 15 million tons
FirstEnergy, reduced C02 emissions by 14 million tons
NRG Energy, reduced CO2 emissions by 10 million tons
Sources: Tennessee Valley Authority board presentation, Aug. 18, 2011, Environmental Protection Agency
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