The U.S. Energy Information Administration this week reported a record-setting 5.8-percent decline in U.S. greenhouse gas emissions in 2009. Since 1990, U.S. GHG emissions have grown at an average annual rate of 0.4 percent.
The U.S. Energy Information Administration this week reported a record-setting 5.8-percent decline in U.S. greenhouse gas emissions in 2009. Since 1990, U.S. GHG emissions have grown at an average annual rate of 0.4 percent.