Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2009   Publication Date:   2011-04-15 Publisher.Display:   U.S. Environmental Protection Agency ( 1200 Pennsylvania Ave., N.W. Washington, DC 20460 U.S.A. ) Subjects.Display:   Climate change Greenhouse gases emission reduction, greenhouse gas environmental reporting Source Institution:   Florida International University Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2009