"The coastal fog that gives San Francisco its romantic ambience is thinning out, a boon to drivers but a real threat to the giant redwoods there, researchers reported on Monday."

"Ex-weatherman Anthony Watts says many US weather stations produce unreliable data because they are located next to artificial heat -- but a scientific analysis suggests that, if anything, such stations underestimate warming."

"There’s an interesting insurgency that may give lie to recent predictions of federal failure on cap and trade. Sen. Maria Cantwell (D-Wash.) has a modified 'cap and dividend' bill, called the CLEAR Act, that’s slowly but surely picking up momentum."

"The U.S. Chamber of Commerce announced late Friday that it would challenge the Environmental Protection Agency's decision to regulate greenhouse gas emissions under the Clean Air Act, setting the stage for a protracted legal battle with the Obama administration over global warming."

"Britain and Ethiopia will head a new United Nations panel that aims to secure $100 billion every year by 2020 to help developing nations cut emissions and adapt to climate change, U.N. Secretary-General Ban Ki-moon said on Friday."

"The U.S. Senate's stalled climate bill is getting a last big push from an unlikely ally -- a group of energy companies who say a carbon market will help them get financing for the next generation of energy production."

"Citing financial worries, the State of Arizona has backed out of a broad regional effort to limit greenhouse gas emissions in the West through a cap-and-trade system."

"A new study published in the Feb. 12 issue of Science indicates that the balance of the world's ice may be shifting faster than scientists thought, which may have consequences in a warming world."

"WASHINGTON — As millions of people along the East Coast hole up in their snowbound homes, the two sides in the climate-change debate are seizing on the mounting drifts to bolster their arguments."

"The number of companies and organizations hiring energy lobbyists reached record levels last year as major climate legislation worked its way through Congress."

"Rising sea levels already threaten South Florida's coastal floodgates, likely prompting the need for costly retrofits to protect some of the state's most populated areas, water managers warned Wednesday."

"Sen. John McCain once led the global warming debate on Capitol Hill, pledging to force repeated floor votes on cap-and-trade legislation until it passed. ... But McCain has gone on hiatus from the issue since losing the presidential election to Barack Obama. And he is likely to keep his distance even more over the next six months due to a primary challenge from a conservative former congressman that threatens to end his Senate career after four terms."

"Scientists studying burbot in the Mackenzie River, one of the country's most pristine rivers, have been surprised to discover that mercury, PCBs and DDT in the fish are rising rapidly, a finding they say is linked to climate change."

"HEAVY WEATHER, a new radio documentary by Barbara Bernstein explores the connections between increasing extreme weather and our changing climate and landscapes. It presents solutions that are community driven, based on decisions we make to change the ways we live and travel. Changes that actually can improve our quality of life."

"An advertising campaign that previously pushed the phrase 'clean coal' launches new spots this week focused on jobs and low-cost power, the latest offering in a three-year, nearly $120 million effort to sell Congress and the White House on coal's future. Increasingly, there are signs that it is working."