1、1 The six gases are: carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O),hydrofluorocarbons (HFC), perfluorocarbons (PFC) and sulfur hexafluoride (SF6). They are thesix gases covered by the United Nations Framework Convention on Climate Change (ratified by(continued.)Congressional Research Serv
2、ice The Library of CongressCRS Report for CongressReceived through the CRS WebOrder Code RS21637Updated June 16, 2004Climate Change: Summary and Analysis of the “Climate Stewardship Act” (S. 139/S.Amdt. 2028, and H.R. 4067) Larry Parker and Brent YacobucciSpecialists in Energy and Environmental Poli
3、cyResources, Science, and Industry DivisionSummaryThe Climate Stewardship Act (S. 139, S.Amdt. 2028, and H.R. 4067) wouldsubstantially reduce emissions of six greenhouse gases from anticipated levels beginningin 2010. Using a flexible, market-based implementation strategy, the bills would requireeco
4、nomy-wide reductions, but permit participation in pre-certified international tradingsystems and in carbon sequestration programs to achieve part of the reductionrequirement. The bills exclude residential and agricultural sources of greenhouse gases,along with entities emitting fewer than 10,000 met