"At least three people were killed by an ammonia gas leak from a pipeline owned by state oil monopoly Pemex in southern Mexico on Tuesday and 1,500 people were evacuated from the area and taken to shelters, the company said."

"The Interior Department [Wednesday] proposed a new rule designed to strengthen the safety of offshore oil and gas production technologies as industry reaches into deeper and riskier waters."

"Wind-turbine makers are poised to make their first profit in years after shutting underused factories and abandoning a drive for growth at all costs."

"Residents have complained for years about thick black smoke and possible pollution coming from the MarkWest gas plant in Chartiers. But the state Department of Environmental Protection said it couldn't take action because it had no evidence. On Tuesday, the department said it had the goods."

"Quebec's government last week added rail giant Canadian Pacific Railway Corp. to its list of companies deemed responsible for cleanup costs following last month's deadly oil train derailment."

"Letter calls draft environmental impact statement on controversial transnational oil-sands project 'inaccurate'"

"Trains smack of progress, freedom and adventure. It’s said that railroads revolutionized America. The Association of American Railroads (AAR) touts the safety record of the rails: 'In 2012, North American railroads safely delivered more than 2.47 million carloads of hazardous materials.' But sometimes trains leak, derail or just plain explode."

"SPOKANE, Wash. — The Pacific Northwest’s sense of itself can sometimes seem green to the point of parody: a medium-roast blend of piney peaks and urban cool, populated by residents who look descended from lumberjacks or fishermen."