A second attempt by Senator Lisa Murkowski (R-AK) to deny the U.S. Environmental Protection Agency the ability to enforce reductions in global warming gases is pending. Murkowski stated she plans to use a vote of “resolution of disapproval” to take away EPA’s enforcement authority. The senator tried to use the same tactic September 24, 2009, but was rebuffed by Democratic legislators. The members of the Democratic Caucus on the Senate Environment and Public Works Committee signed a letter January 11 opposing Murkowski’s plan to overturn the Environmental Protection Agency’s global warming “endangerment” finding. Until, and if, Congress acts against the EPA enforcement ability, the agency plans to use its authority to limit greenhouse gas emission. While the EPA claims the ability to use enforcement power, legislation to enact a specific global warming law at the federal level was passed by the House last year and is now going through Senate negotiations. Congress returns January 19. Murkowski was in Afghanistan this week.