"A Gulf of Mexico drilling rig has partially collapsed off the coast of Louisiana after catching fire because of a ruptured natural gas well, U.S. regulators said on Wednesday."

"After a three-decade delay, the U.S. Environmental Protection Agency has proposed the first controls that would significantly curb power plant discharges of toxic coal ash and sludge into the nation's waterways, according to a report by five national environmental organizations."

"VANCOUVER, Wash. -- Port of Vancouver commissioners voted Tuesday to approve a lease for a Columbia River terminal that would take in crude oil by train from North Dakota and ship it to West Coast refineries."

"At first glance, Daliuta in northern China appears to have a river running through it. A closer look reveals the stretch of water in the center is a pond, dammed at both ends. Beyond the barriers, the Wulanmulun’s bed is dry."

"NEW ORLEANS -- The U.S. Court of Appeals for the Fifth Circuit has denied Transocean’s stay of judgment involving its refusal to turn over subpoenaed documents to the Chemical Safety and Hazard Investigation Board (CSB)."

"The regional levee authority overseeing East Bank flood protection will file a lawsuit Wednesday against dozens of oil, gas and pipeline companies aimed at forcing them to repair damage to a buffer zone of wetlands and ridges 'that helps protect the greater New Orleans region from catastrophic flooding,' according to a press release from the agency."

"NEW ORLEANS -- An out-of-control natural gas well off the Louisiana coast has caught fire, hours after a blowout that prompted the evacuation of 44 workers."

"Oil spills at an oil sands operation in Cold Lake, Alberta have been going on for weeks with no end in sight, according to a government scientist."

"U.S. EPA officials say oil and gas wastewater injection wells that are causing earthquakes should stop operating if there's no way to stop the shaking."

"PITTSBURGH -- The boom in natural gas drilling has cast two opposing documentary filmmakers in unlikely roles."