"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."

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.

"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."

"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."