"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."

"In Ecuador’s Amazon region, above the banks of the swirling Aguarico River, Luis Chamba grows cacao - the basis of chocolate and cocoa butter - on his family’s tiny finca."

"A months-long investigation shows how the energy giant pressured the Interior Department during the company's gung-ho Arctic push—and got most of what it wanted (except oil)."

"Last May, four months before the oil giant Royal Dutch Shell suspended exploration in offshore Alaska, Christopher Putnam needed to get something off his chest.

"Emission controls required on out-of-state power plants have yielded big reductions in mercury pollution in Western Maryland's air, a study has found. So far, however, the state's fish remain as contaminated with the toxic chemical as ever, researchers say."

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

"MUSTAFABAD, India — Khushboo Kushwaha has a few years before she will have to squat in front of a filthy, smoking open stove three times a day to cook meals for her family, as her older sister and cousins do now.

Khushboo is 11, and the girls in her home usually take up cooking duties as teenagers. But the smoke that billows from the wood and dried dung they burn, stinging the older girls’ eyes and throats, already affects her.

"Hydroelectric dams grace bank notes in developing countries, from Mozambique to Laos, Kyrgyzstan to Sri Lanka, a place of honor reflecting their reputation as harbingers of prosperity."

"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."