Emissions of Greenhouse Gases in the United States 2007
"Total U.S. greenhouse gas (GHG) emissions were 7,282 million metric tons carbon dioxide equivalent (MMTCO 2e) in 2007, an increase of 1.4 percent from the 2006 level according to Emissions of Greenhouse Gases in the United States 2007, a report released today by the Energy Information Administration (EIA). Since 1990, U.S. GHG emissions have grown at an average annual rate of 0.9 percent.

U.S. GHG emissions per unit of gross domestic product (GDP), or U.S. GHG intensity, fell from 636 metric tons per million 2000 constant dollars of GDP (MMTCO 2e/million dollars GDP) in 2006 to 632 MMTCO 2e /million dollars GDP in 2007, a decline of 0.6 percent. Since 1990, the annual average decline in GHG intensity has been 1.9 percent.."