"Sen. Lisa Murkowski (R-Alaska) plans to announce Thursday she will move to reverse the Environmental Protection Agency's finding that greenhouse gas emissions endanger public health and welfare, according to sources familiar with the matter."

The GOP gain of the formerly Democratic Senate seat in Massachusetts is seen by some as diminishing the chances for a cap-and-trade climate bill in the Senate.

"A much-publicized estimate from a United Nations panel about the rapid melting of Himalayan glaciers from climate change is coming under fire as a gross exaggeration."

"Responding to renewed interest in geoengineering schemes to combat global warming, scientists and policymakers are beginning several efforts that could set new ground rules for research, including large-scale field experiments."

As early as Wednesday, Alaska Senator Lisa Murkowski (R) may offer her controversial amendment freezing EPA's authority to regulate greenhouse gases. Her motives for doing so may rise from a quest for power in a hamstrung Senate.

"UNITED NATIONS -- U.S. climate envoy Todd Stern today urged nations that signed the Copenhagen Accord to submit their greenhouse gas emissions-reduction targets and to hammer out details critical to implementing the broad agreement."

Top former Bush administration officials -- now lobbyists -- are directing members of Congress from both parties, and their staff, on exactly how to legislate a repeal of EPA's legal authority to control greenhouse gas emissions. Senator Lisa Murkowski, R-AK, is planning to offer the ban as an amendment on the Senate floor. Environmentalists are calling for an ethics investigation.

"Four of the world's largest and fastest-growing carbon emitters will meet in New Delhi this month ahead of a Jan 31 deadline for countries to submit their actions to fight climate change."

"Advocates for comprehensive climate legislation should look no further than the nation's unemployment rate as they ponder their chances for success this year."