Mongabay: Carbon dioxide emissions from energy consumption in the United States during 2012 fell to the lowest level since 1994, finds a new report from the U.S. Energy Information Administration, a branch of the Department of Energy.
The assessment concludes that some 5.3 billion metric tons of CO2 were emitted from coal, natural gas, and oil consumption during the year, a 3.7 percent decline relative to 2011 and 12.1 percent below the peak of 6 billion tons hit in 2007. The EIA cited increased use of...