"Forty years ago, when North Carolina banned using deep wells to permanently dump industrial waste, some thought the issue had been decided for good. Now state lawmakers who want to turn North Carolina into the nation’s next fracking hotspot are reopening the case for injecting brines and toxins deep underground."

"Offshore wind turbines are vulnerable to sudden and catastrophic destruction in moderately stormy seas, according to new research."

"Environmentalists have a hope. If they can block the Keystone XL pipeline, they can keep Canada from developing more of its dirty tar sands oil. It takes a lot of energy to get it out of the ground and turn it into gasoline, so it has a bigger greenhouse gas footprint than conventional oil. But the State Department report, which was released Friday, says Keystone won't have much of an impact on the development of that oil from Alberta."

"Even if foes of the Keystone XL pipeline block it, companies seeking to get Canada’s oil sands to U.S. and world markets could travel the old-fashioned way: by rail."

"Entire villages in the eastern part of the state are leasing their land for gas drilling. What's a cash boon to some has others worrying about the future."

"CLEVELAND, Ohio -- A federal grand jury returned an indictment against the owner of an oil and gas drilling company on Thursday, charging him with violating the Clean Water Act by dumping more than 20,000 gallons of fracking waste into a river in Youngstown."

"WASHINGTON — After a series of costly and embarrassing accidents in its efforts to drill exploratory wells off the north coast of Alaska last year, Royal Dutch Shell announced on Wednesday that it would not return to the Arctic in 2013."

"A government report says a cyberattack against 23 natural gas pipeline operators stole crucial information that could compromise security. Experts strongly suspect China's military."

"BP Plc fostered a culture that put cost-cutting over safety before the deadly 2010 Gulf of Mexico oil spill, a noted forensic engineer said in the first day of testimony in the federal civil trial centered on the disaster."

"BOSTON -- Concerns have cropped up in recent years that the methane leaks from oil and gas fields could be large enough to pose a significant climate threat."

"Maryland's highest court on Tuesday struck down the bulk of a fraud case against ExxonMobil Corp. stemming from an underground gasoline leak in Baltimore County, reversing most of $1.65 billion in judgments and dealing a stunning blow to hundreds of families."

"With Washington frozen solid on climate, the Navy is breaking the ice."

"NEW ORLEANS — BP finally faced off in court Monday against an army of federal and state prosecutors, lawyers and even its contract partners over the Gulf of Mexico oil spill three years ago, contending that it alone should not shoulder blame for the rig explosion that killed 11 workers and soiled beaches and marshes from Louisiana to Florida."

"One of the the nation’s largest utilities agreed Monday to close three of its coal-fired power plants as part of a settlement with government officials and environmental groups, the latest sign of how the nation’s electricity supply is shifting away from coal."

"U.S. federal prosecutors have been asked to take legal action over safety and environmental violations discovered on one of two drillships Royal Dutch Shell used last year in Arctic waters off Alaska, officials said on Monday."