"[Pennsylvania] State regulators did not consider available water chemistry test results and had limited knowledge of past spills and leaks at Range Resources’ Yeager Farm shale gas development site in Washington County before deciding the operation did not contaminate the nearby private water supply of Loren Kiskadden, according to testimony last week in the ongoing case before the state Environmental Hearing Board in Pittsburgh."

"Dominion Virginia Power has discovered two damaged nuclear fuel rods at its North Anna power plant, 90 miles (140 km) southwest of Washington, and has shut it down, a spokesman said on Tuesday."

"The state Department of Environmental Protection might have used incomplete and inaccurate test information to decide whether chemicals leaking from a Marcellus Shale wastewater impoundment and a drill cuttings pit contaminated a water well and springs in Washington County."

"Pollution investigators have found toxic compounds in groundwater below the Delaware Air National Guard base matching those that prompted shutdowns this summer of the city of New Castle's entire three-well public supply network and two Artesian Water Co. wells."

"The decades-long decline in lead-poisoned children in Maryland has essentially stalled, but state officials said Thursday they are taking steps in the coming months to address gaps in the marathon effort to eliminate the environmental health threat."

"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."