"A fierce debate is raging in West Virginia over a new set of science standards for public schools that would acknowledge climate change as real and man-made."

"State workers performed a California winter ritual Thursday, poking hollow aluminum tubes into Sierra Nevada meadows to measure the snowpack. In what scientists see as a harbinger, they didn't find much."

"The Senate passed a bill on Thursday to force approval of the Keystone XL oil pipeline, which President Obama is certain to veto in his first official clash with the new Republican-majority Congress."

"How an unsuspecting farmworker from Kiribati became the brand ambassador of climate change — despite barely knowing what it was."

"Two new lawsuits are part of an effort to push EPA to regulate methane from agriculture, the country's biggest source of methane."

"A climate-change skeptic at the Harvard-Smithsonian Center for Astrophysics who has relied on grants from fossil-fuel energy interests apparently failed to disclose financial conflicts of interest in a newly released paper, according to a complaint by a climate watchdog group."

"Some forecasters have projected a record snowstorm for the Northeast in the coming hours, which isn't exactly the sort of thing that makes people think about global warming."

"Scientists using satellite images and data from NASA's Operation IceBridge have found evidence of a drained and refilled subglacial lake beneath northeastern Greenland's Flade Ice Cap."

"For years, scientists have documented the rapid retreat of Arctic ice, from melting glaciers in Greenland to shrinking snow cover in far northern Eurasia. Now researchers have discovered one Arctic ice cap that appears to be literally sliding into the sea."

"NEW DELHI — In the world’s most polluted city, a layer of smog hangs over everything, thicker year after year."