"Federal regulators [Wednesday] released an order granting Exxon Mobil Corp. its second extension to finish investigating the cause of a pipeline rupture that spilled an estimated 5,000 barrels of Canadian oil sands crude in the Arkansas suburb of Mayflower 10 weeks ago."

"Exelon has canceled plans for power uprates at four of its nuclear power reactors in Illinois and Pennsylvania, the company has told the US Securities and Exchange Commission."

"The White House has blocked several Department of Energy regulations that would require appliances, lighting and buildings to use less energy and create less global-warming pollution, as part of a broader slowdown of new antipollution rules issued by the Obama administration."

"Add Al Gore to the chorus of environmentalists who say it’s time for President Barack Obama to get serious about climate change."

"TransCanada Corp. warned law enforcement authorities of 'Aggressive/Abusive landowners' along the path of its Keystone XL pipeline in a recent security briefing that discussed avenues to prosecute demonstrators against its Canada-to-Gulf Coast project under anti-terrorism laws."

"The Interior Department is failing to collect tens of millions of dollars in lease payments for coal mining on federal lands, according to an agency inspector general’s report released Tuesday."

"The U.S. Fish and Wildlife Service announced Friday it plans to stop protecting the gray wolf and put the states in charge of managing these predators. But the plan is already facing some tough opposition from wolf advocate groups that say it’s too early for this discussion. EarthFix reporter Aaron Kunz explains."

"GRANTS PASS, Ore. -- Tens of thousands of acres in Oregon's drought-stricken Klamath Basin will have to go without irrigation water this summer after the Klamath Tribes and the federal government exercised newly confirmed powers that put the tribes in the driver's seat over water use — a move ranchers fear will be economically disastrous."

"The math underlying conservatives’ allegations of ideological bias at the Environmental Protection Agency doesn’t add up, the agency says in a breakdown provided to POLITICO."

To hear Canada's oil industry tell it, the U.S. State Department's draft environmental impact statement (EIS) on the proposed Keystone XL pipeline is exactly wrong. The EIS said Canada's tar sands oil would be shipped regardless of whether the pipeline is built. But the oil industry says it will double their output.