"Geologists in Ohio have for the first time linked earthquakes in a geologic formation deep under the Appalachians to hydraulic fracturing, leading the state to issue new permit conditions Friday in certain areas that are among the nation's strictest."

"The Missouri Department of Natural Resources should deny a construction permit for a proposed Ameren coal ash landfill in Labadie, residents said Tuesday."

"WHEELING - Breathing only a tiny amount of silica dust per day - enough, roughly, to cover Franklin Delano Roosevelt's nose on a dime - can put a worker at risk for myriad health problems, according to Michael Breitenstein of the National Institute for Occupational Safety and Health."

"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."