Mongabay: A group of leading U.S. businesses and environmental groups today formed a coalition calling for the inclusion of forest conservation in domestic cap-and-trade legislation. The pact — signed by American Electric Power, Conservation International, Duke Energy, Environmental Defense Fund, El Paso Corporation, National Wildlife Federation, Marriott International, Mercy Corps, Natural Resources Defense Council, PG&E Corporation, Sierra Club, The Nature Conservancy, Union of Concerned …