"Climate change is fanning longer- and deeper-burning fires in interior Alaska, changing the area from a carbon sink -- where planet-warming gases are stored naturally in the soil -- to a carbon emitter, scientists reported on Sunday."

"The number of Americans who believe that global warming is a scientific fact has been dropping, and environmental groups and climate scientists who say the evidence for warming is clear are scratching their heads over this reversal and scrambling to find a new strategy."

"A federal judge [Dec. 2] rejected the request of five Great Lakes states for a preliminary injuction that would force the U.S. Army Corps of Engineers and the Metropolitan Water Reclamation District of Greater Chicago to keep invasive Asian carp out of the Great Lakes."

"A black sealant sprayed on parking lots, driveways and playgrounds turns out to be the largest contributor to the rise of a toxic pollutant in urban lakes and reservoirs across America, according to a new U.S. Geological Survey study."

China is showing none of the hesitancy that marks the U.S. effort to train people for clean-energy jobs. One result is that China is poised to beat the U.S. in the contest for developing a clean-energy economy.

"If the U.S. Supreme Court takes up a high-profile case over whether states can invoke common law to force industry to reduce greenhouse gas emissions, it's likely one of the justices will sit on the sidelines." Her missing vote might determine the outcome of the case.

"The major U.S. ethanol incentive would be cut by 20 percent but given one more year of life in a Senate tax bill that also would revive a biodiesel tax credit that died a year ago."

"This year is set to be among the three warmest since records began in 1850 and caps a record-warm decade that is a new indication of man-made climate change, the United Nations said on Thursday."
 

"At a 2 p.m. news conference streamed live over the Web, scientists at the National Aeronautics and Space Administration said they found microbes in the mud beneath a California lake that can use arsenic -- usually considered toxic -- rather than phosphorus as one of the building blocks of its DNA. Phosphorus is one of the elements that sustains all other life forms on earth."