"Pacific Gas & Electric, the big California utility, has pulled out of the United States Chamber of Commerce over what its chairman, Peter Darbee, termed 'fundamental differences' over the climate change issue."

Residents in Georgia and Alabama returned to waterlogged homes after flooding caused by torrential rains caused at least nine deaths.

"The Environmental Protection Agency said on Tuesday that it would require the nation’s biggest emitters of greenhouse gases to start tracking their emission levels on Jan. 1 and report them to the government."

"China laid out a plan to curb carbon emissions by 2020 and U.S. President Barack Obama called on all nations to act now to tackle global warming, as world leaders tried to inject momentum into climate change talks."

"NEW HAVEN, W.Va. -- Poking out of the ground near the smokestacks of the Mountaineer power plant here are two wells that look much like those that draw natural gas to the surface. But these are about to do something new: inject a power plant's carbon dioxide into the earth."

"Developers of a controversial coal-fired power plant in Sevier County [Utah] now intend to transport and dispose of the proposed facility's fly ash in Carbon County and Tooele County landfills rather than close to home."

"An incinerator that burns hazardous material from Utah and around the West is facing more than $500,000 in penalties for environmental violations."

"Solar energy developer BrightSource Energy, Inc. has withdrawn plans for a 5,000 acre solar thermal facility to be located in the Broadwell Valley in California's Mojave Desert."

"As a species, the endangered Florida panther needs about 4,860 square miles in southern Florida to be protected as critical habitat to save the animal from extinction and recover the species, according to a new scientific petition submitted to the U.S. Fish and Wildlife Service by three nonprofit organizations."

New drilling techniques have brought online U.S. natural gas reserves previously considered unreachable.