"GE Energy Services' coal-fired power plant in Homer City will be required to meet federal standards for emissions of sulfur dioxide that are more protective of human health."

"More than two years ago the Marcellus Shale Coalition, a gas industry trade group, began building an electronic database to house information about the water quality in thousands of private wells across Pennsylvania."

"A freight train smacked into a truck carrying garbage and careened off the tracks in Rosedale Tuesday afternoon, triggering an explosion felt throughout the region and sending up a plume of black smoke visible for miles."

"EWELL, Md. -- Superstorm Sandy barely laid a glove on Smith Island last fall, to hear residents tell it. Though storm-driven flooding damaged hundreds of homes in Crisfield and the rest of Somerset County, only a couple islanders got any water in their homes from the surging Chesapeake Bay."

"Behold the tiny oyster. No, not on the half-shell, with a squirt of lemon, but in its watery habitat, the Choptank River. Out there on a reef with many other oysters, the bivalve is awesome, a janitor that helps remove pollution with incredible efficiency."

"The Nuclear Regulatory Commission (NRC) said on Tuesday it will increase oversight of Exelon Corp's 805-megawatt Three Mile Island nuclear power plant in Pennsylvania, to ensure that safety equipment is protected from flooding."

"The Environmental Protection Agency is reporting promising but uneven results in its latest report on costly efforts to control toxic pollution creeping away from Delaware’s largest Superfund cleanup site."

"Smallmouth bass that draw hundreds of millions of dollars to the Chesapeake Bay region for sport fishing are sick, and many look too awful to ever mount as a trophy."