"Scientists keep rallying behind Kathryn Sullivan, the federal official on one side of a two-month standoff with a senior House Republican over a groundbreaking climate change study."

"Global carbon dioxide emissions may be dropping ever so slightly this year, spurred by a dramatic plunge in Chinese pollution, according to a surprising new study released Monday."

"Eleven days of negotiations produced a slimmer but still-troubled version of a climate deal on Wednesday, with negotiators from 195 countries divided over how far to go in curbing global temperature rises - and how to pay for it."

"The Barnett Shale's emissions have been vastly underestimated, sweeping Environmental Defense Fund-backed study finds."

"An undercover sting by Greenpeace has revealed that two prominent climate sceptics were available for hire by the hour to write reports casting doubt on the dangers posed by global warming."

"Ethiopia's government has increased to 10.1 million the estimated number of people who desperately need food aid because of a drought."

"In Hampton Roads, Va., the epicenter of both the evangelical movement and climate change, land and ideology are losing the battle to a rising Atlantic."

"As in the oceans, carbon dioxide from the atmosphere could throw off water chemistry in large freshwater bodies like the Great Lakes, putting the food web at risk."

"PARIS — Canada has endorsed a call from small island nations to hold global warming to no more than 1.5 degrees Celsius above pre-industrial levels, putting Ottawa out of step with the United States, which has maintained a 2 C target."