Today we look at U.S. and global efforts to reduce carbon emissions and slow global warming. Last Friday, June 26 2009, The U.S. House of Representatives approved the landmark America Clean Energy and Security Act by a narrow seven vote margin, including 44 no votes from Democrats. The legislation, also known as Waxman-Markey after its sponsors, or the climate bill, will face an even tougher audience in the Senate, where it must meet a 60-vote threshold. The Minnesota Supreme Court’s decision to seat Al Franken in the Senate may add to the Democrats’ leverage. The bill aims to cut 2005 emissions levels by 17% by 2020 and has at its core a Cap-and-Trade system which calls for mandatory caps on greenhouse gas emissions. Any companies wishing to emit above a certain level will need to purchase permits to do so. Additionally the bill requires large utilities to increase their use of renewable energies such as hydro, wind, solar and geothermal power generation.

The bill’s passage by the House is historic and will likely increase President Obama's leverage in global climate negotiations as global leaders try to replace the soon-to-expire Kyoto Protocol. Detractors though point to its economic costs and the limited nature of the final legislation

How the Bill Works