"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 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."

"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."

"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."

A new report makes the myth-busting assertion that the coal industry costs the state of West Virginia more in expenses than it brings in economic benefits.

"Federal officials are launching efforts today in Maryland, Pennsylvania and Virginia to enlist farmers in targeted watersheds in a concerted effort to curb pollution running off their land."

"A key piece of the state's approach to controlling water pollution from Pennsylvania's fast-expanding natural gas drilling activity cleared a major hurdle Thursday."

Amish farmers in Pennsylvania, whose plain living goes with a faith-based stewardship of the environment, are facing growing scrutiny for some practices the government says pollute streams.

"Massey Energy's Upper Big Branch Mine was a 'ticking time bomb' where workers feared for their lives but worried that complaints about growing safety problems would cost them their jobs, members of a congressional committee heard Monday."

"Restoration of the Chesapeake Bay entered a new phase [Tuesday] as the Chesapeake Bay Foundation, its co-plaintiffs, and the U.S. Environmental Protection Agency settled their lawsuit with a binding agreement that will require pollution to be reduced across the nation's largest estuary."

Nitro, West Virginia, is still struggling with the toxic legacy of a long-shuttered Monsanto weedkiller plant that has polluted soil and water with dioxin.