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"Atmospheric levels of methane, 20 times more powerful than carbon dioxide (CO2) at trapping heat, stayed steady for two decades to 2006 on wider fertilizer use to grow rice or a surge in natural gas demand, according to two separate studies in the journal Nature.

Climate researcher Fuu Ming Kai from the Massachusetts Institute of Technology's Singapore research center said in one study that methane output from rice fields in the Northern Hemisphere dropped during the period as fertilizers replaced manure and because of reduced water use.

"A federal panel sketched out its first vision of a regulatory roadmap for the booming shale natural gas industry on Thursday, urging more transparency on the use of chemicals and more careful treatment of waste water."

"The Obama administration on Thursday will pump $100 million into a little-known program that is going a long way toward redefining Everglades restoration.

The money won’t go to build reservoirs. It will go to ranchers.

"OTTAWA — The federal government's advocacy strategy to promote the oilsands sector in partnership with oil and gas companies and the province of Alberta was not just about polishing the industry's image and countering foreign climate change policies."