"Three conservation groups accused Dominion Virginia Power Wednesday of illegally discharging coal ash waste into the Potomac River."

"By the end of this century, as sea levels rise, as much as $7 billion worth of property in the District will routinely be threatened by storm-driven floodwaters, according to a new analysis, including 1,000 homes, three military bases and a broad swath of the Mall."

"Two academic studies exploring health and water issues in the gas drilling industry on Wednesday painted very different pictures of its potential impact and brought rebukes from advocates on both sides."

"CHARLESTON, W.Va. — Department of Environmental Protection officials plan to announce as early as Tuesday a proposed rule outlining a focused plan for mandated inspections of thousands of chemical storage tanks across West Virginia and — Tomblin administration officials hope — ease concerns about implementation of the state’s new tank safety law."

"There weren't any keepers yet, but the fish were definitely biting for Willie Edwards one day last week as he trolled along the edge of the Susquehanna Flats. The 72-year-old fisherman from North East said he'd caught 'a lot of little rock,' or striped bass."

"A report released today raises concerns about inmate cancers and other serious health ailments at a state prison that sits next to a massive Fayette County coal waste dump full of toxic fly ash."

"PITTSBURGH - Six years into a natural gas boom, Pennsylvania has for the first time released details of 243 cases in which companies prospecting for oil or gas were found by state regulators to have contaminated private drinking water wells."

"DuPont Co. has agreed to pay nearly $1.3 million in fines to the U.S. Environmental Protection Agency to resolve violations the EPA cited after a string of 2010 chemical leaks, including one that killed a worker at the company’s plant in Belle, EPA officials announced Wednesday."