Inventory of U.S. reenhouse Gas Emissions and Sinks: 1990 – 2013
After two years of decline, total U.S. greenhouse gas emissions released into the atmosphere because of human activity increased 2 percent in 2013 over the previous year. That surge was fueled, in large part, because of a growing economy, falling coal prices and a cold winter, the U.S. Environmental Protection Agency announced in its annual greenhouse gas emissions inventory.