Total U.S. greenhouse gas (GHG) emissions were 6,576 million metric tons carbon dioxide equivalent (MMTCO2e) in 2009, a decrease of 5.8% from the 2008 level, according to Emissions of Greenhouse Gases in the United States 2009, a report recently released by the U.S. Energy Information Administration (EIA). Since 1990, U.S. GHG emissions have grown at [...]






