U.S. EPA (Mar 9 2010)
EPA is accepting comments on its most recent inventory of US GHG emissions. The draft report shows overall GHG emissions decreased by 2.9 percent from 2007 to 2008. Total emissions from GHGs were about 6,946 million metric tons of carbon dioxide (CO2) equivalent. However, emissions have grown by 13.6 percent from 1990 to 2008.