"WASHINGTON -- Saying the government should lead by example, President Barack Obama on Thursday ordered the federal government to nearly triple its use of renewable sources for electricity by 2020."

"President Obama on Thursday will order the federal government to use renewables for 20 percent of its electricity needs by 2020."

"Michigan environmental officials are drafting a settlement with Canadian pipeline operator Enbridge Inc. over a series of violations of the state's water laws that occurred earlier this year."

"Canada must be better prepared to respond to major oil spills if more crude starts to flow in pipelines to the country's Pacific Coast, a government panel said on Tuesday, as fears of a major marine disaster grow."

"WASHINGTON — More than two dozen of the nation’s biggest corporations, including the five major oil companies, are planning their future growth on the expectation that the government will force them to pay a price for carbon pollution as a way to control global warming."

"The week before Thanksgiving, the Obama administration quietly approved a pipeline project that will cross the U.S.-Canada border and benefit the tar-sands industry. But not that pipeline."

"BISMARCK, N.D. -- As pheasant season opened this fall, the news reports were grim: Fewer birds were expected across the Dakotas, their numbers most likely thinned by a rainy summer nesting season and an early fall blizzard."

"A week after opponents of coal-fired electricity flooded the chambers of the Idaho Public Utilities Commission, regulators have denied a bid by Idaho Power to charge its customers $130 million to help implement mandated pollution controls for two of four generators at the Jim Bridger coal plant near Rock Springs, Wyo., where the utility company is part owner."

"Demonstrators defy court injunction intended to keep them from interfering with Texas-based company’s seismic testing."