The American Clean Energy and Security Act of 2009 is an energy bill in the 111th United States Congress that would establish a variant of a cap-and-trade plan for greenhouse gases to address climate change. The bill was approved by the House of Representatives on June 26, 2009 by a vote of 219-212, and has been placed on calendar in the Senate under general orders on July 6, 2009.This vote was the "first time either house of Congress had approved a bill meant to curb the heat-trapping gases scientists have linked to climate change."The bill is also known as the Waxman-Markey Bill, after its authors, Representatives Henry A. Waxman of California and Edward J. Markey of Massachusetts, both Democrats. Waxman is the chairman of the Energy and Commerce Committee, and Markey is the chairman of that committee's Energy and Environment Subcommittee.