"It's ... difficult to get an absolute answer about just what is, or isn't, in Delaware's water -- difficult enough that some real estate agents routinely suggest water-filter installations even in the absence of known problems."

"It's simply known as 'the wall,' a steel-and-concrete structure costing about $22 million that will be pounded deep into the floor of the Elizabeth River near one of the worst toxic-waste sites in Hampton Roads."

"The Delaware River Basin Commission hasn't heard the last word on natural gas  drilling in northeast Pennsylvania. It agreed last week to hold further hearings there on its drilling moratorium."

"Last March, President Obama promised he'd have a strategy for restoring scientific integrity to the federal government on hand by July 29. A full year later, federal agencies still have not received any new directives and some government scientists say that conditions have not improved noticeably since Obama took power."

"Fewer oysters in the Chesapeake Bay are dying from the diseases that have devastated the bivalve population in recent decades, leading some to believe they may be developing a natural resistance, says a new report by the Chesapeake Bay Foundation."

"The Environmental Protection Agency proposed tough pollution caps for the Chesapeake Bay Thursday, requiring Maryland and other mid-Atlantic states to do more to clean up the troubled estuary than previously thought necessary."

"The Obama administration has given its tentative approval to a new mountaintop removal permit, provided the Logan County operation makes changes federal regulators say are needed to protect downstream water quality."

"Compounds associated with neurological problems, cancer and other serious health effects are among the chemicals being used to drill natural gas wells in Pennsylvania, although state and industry officials said Monday the practice is not polluting drinking water."