"Responding to a series of fiery train derailments, federal regulators said Wednesday they will propose that trains transporting crude oil have at least two-man crews and requirements aimed at preventing parked train cars from coming loose and causing an accident like one in July that killed 47 people."

"Study finds air emissions from biomass facilities could be dramatically improved if so-called loopholes are closed in power plant regulations."

"Whether or not fracking causes groundwater pollution, people fear the risk enough that property values have dropped for homes with drinking-water wells near shale-gas pads, according to new research."

"NAPLES, Fla. – For their retirement, Pamela and Jaime Duran chose a cottage in Southwest Florida. Here, they could raise chickens, savor the quiet and enjoy the lush backdrop of the historic Everglades. They call it "a little piece of paradise.""

"A March 20 Washington Post Web article and a March 21 print article stated that Koch Industries was the largest leaseholder in Canada’s oil sands. Further reporting has indicated that Koch Industries on a net acreage basis is the largest American and foreign holder of leases in Canada’s oil sands but it might narrowly trail two Canadian companies overall. ..."

"The chairman of the Senate committee that oversees transportation issues said Monday that oil companies are dragging their feet on providing data to regulators about the safety of freight trains that are used to carry crude oil."

"Outside Alicia Barksdale’s living room, high above Upper Manhattan, the brick chimney atop the building next door belches black smoke all winter long, and even into the spring."

"A North Carolina judge on Friday denied Duke Energy's motion seeking to shield records related to groundwater pollution leaching from 33 coal ash dumps in the state while a separate federal criminal investigation is ongoing."

"The [March 31] incident at Williams Co Inc's massive gas storage site is a rare safety-record blemish among the dozens of U.S. LNG plants and storage sites, including towering tanks in packed neighborhoods of New York City, and near Boston.

Energy industry experts and opponents of new LNG plants alike said it may spur debate about safe handling of gas for cities increasingly reliant on the clean-burning fuel. At least a dozen new U.S. LNG export facilities are seeking government approval, and some have faced opposition on safety grounds.