"A coalition of former governors, congressmen, scientists and others sent the Obama Administration their proposed Chesapeake Bay restoration strategy, a plan much tougher than the one being developed by the U.S. Environmental Protection Agency."

"Environmental groups gathered along the Delaware River Wednesday to call on the Delaware River Basin Commission to protect the Delaware from toxic chemical contamination related to natural gas drilling."

"Kiddie Kollege, a day-care center that opened inside a heavily contaminated building in Gloucester County with a fresh coat of paint and little else, is about to be razed, nearly four years after state inspectors discovered the contamination."

"Extremely high, potentially unhealthy levels of lead dust have been found in the Allegheny County Health Department's dilapidated office building in Lawrenceville that houses the Childhood Lead Poisoning Prevention Program."

"Wind turbines can kill a few Indiana bats without endangering the species but the owners must ask for permission first, U.S. District Judge Roger Titus ruled on Dec. 8. Titus blocked construction of 82 turbines in Greenbrier County, W.Va., and restricted 40 turbines already under construction to seasonal operation."

"Nearly 28 years after Congress authorized the Army Corps of Engineers to deepen the Delaware River's main shipping channel, the only thing about the project that has deepened is the controversy."

"Maryland plans to dramatically increase the area of the Chesapeake Bay that is closed to oyster harvests, Gov. Martin O'Malley said Thursday, offering an expanded foothold to an iconic species that has dropped to 1 percent of its peak population."

"Concerns about toxics discharged from an unlined coal ash waste dump in suburban Washington, DC have prompted four environmental groups to give formal notice that they intend to sue Mirant MD Ash Management, LLC and Mirant Mid-Atlantic, LLC Corporation of Atlanta, Georgia for Clean Water Act violations in Maryland."

"A nonprofit organization that monitors the health of the Potomac River said Wednesday that a condition causing abnormalities in fish should serve as an urgent warning to rehabilitate the waterway that provides 90 percent of the D.C. area's drinking water."

"West Virginia political leaders promised Tuesday to speak "with one voice" to clarify the Obama administration's proposals to more strictly regulate mountaintop removal coal mining."

"WEST UNION, W.Va. -- A spill upstream of the town of West Union during the summer has revealed a gap in the system for notifying drinking water systems of possible contamination."

"Federal officials said Wednesday they have given marching orders to Maryland and other states that drain into the Chesapeake Bay to come up with detailed plans for reducing pollution plaguing the estuary, warning that states face development shutdowns or other as-yet unstated consequences if the water fails to get cleaner."

"Nearly two-thirds of the coal-ash dams across West Virginia might need repairs, and a quarter of them are ranked as being in poor or unsatisfactory condition, according to a report released Thursday by the state Department of Environmental Protection."

"A massive fish kill at the 38 mile long Dunkard Creek on the West Virginia–Pennsylvania border has scientists and regulators wondering what went wrong. All signs point to the toxic golden algae but some say it was the polluted creek, with high levels of chloride, which provided ripe conditions for the fish kill."

Gas drilling in the Marcellus Shale formation of Pennsylvania is bringing an economic boom there -- even as oil and gas drilling has fallen dramatically nationwide. But the gas is tax-exempt in Pennsylvania.