The American Clean Energy and Security Act, also known as the Waxman-Markey climate bill for its sponsors, Reps. Henry Waxman (D-Calif.) and Ed Markey (D-Mass.) The files below include the initial 648-page discussion draft submitted by Waxman and Markey to the House Energy and Commerce Committee; HR2454, the 932-page version of the bill that the committee approved; HR 2998, the 1,201-page substitute for the bill that was submitted for House floor vote; and the 1,428-page version engrossed by the House.