"A propane shortage in the Midwest is raising concerns about residents who rely on the fuel for heating. The propane shortage has prompted a state of emergency in Ohio, as bitterly cold weather descends on the Midwest."

"The construction of the Keystone XL, a pipeline intended to bring hundreds of thousands of barrels a day of oil from Canada’s controversial oil sands to the United States, has been mired in delays as regulators assess its environmental impact, and activists and landowners protest what they see as one of the nation’s largest environmental threats."

"WASHINGTON — More crude oil was spilled in U.S. rail incidents last year than was spilled in the nearly four decades since the federal government began collecting data on such spills, an analysis of the data shows."

"The groups are objecting to the approval granted Northern Gateway last month by the Joint Review Panel. The panel, which held 18 months of hearings into Northern Gateway, concluded the project posed little risk to the environment provided Enbridge complied with 209 conditions attached to the approval."

"Climate change will decrease California's ability to make electricity while creating heavier demands for it, and the state needs to ramp up planning now, energy leaders warned yesterday."

"In coming weeks, the U.S. Coast Guard will decide whether to allow wastewater from the hydraulic fracturing industry to be shipped along federal waterways -- including the Ohio River -- and how strict those rules governing the shipments should be."

"Environmentalists say swaths of Southeastern woodlands are being cut down for 'green' energy efforts across Atlantic."

"A former democratic senator and governor from Florida, Bob Graham, visited Cuba this week to discuss oil spill prevention and preparedness during a trip that has caused a stir among exiles and Cuba watchers due to his traditional support for tough sanctions against the Communist-ruled Caribbean island."

"A group of the nation’s leading environmental organizations is breaking with the administration over its energy policy, arguing that the White House needs to apply a strict climate test to all of its energy decisions or risk undermining one of the president’s top ­second-term priorities."

"Researchers who conducted a street-by-street survey of the District [of Columbia] found nearly 6,000 natural gas leaks from the city’s aging pipe system, including 12 in manholes where methane had collected to potentially explosive levels, according to a study published Thursday."