"Oil spill in the Gulf of Mexico may be contributing to a dramatic dive in the region's oyster harvest. Prices are up and the harvest is down, ever since the 2010 BP oil spill, but the exact cause remains unclear.""

"Louisville residents have watched storms, disease, drought and age kill trees for years. Now, city officials are getting some of the first numbers detailing the extent of the losses."

"The largest red tide bloom seen in Florida in nearly a decade has killed thousands of fish in the Gulf of Mexico and may pose a greater health threat if it washes ashore as expected in the next two weeks, researchers said on Thursday."

"A federal judge in Tennessee has approved a $27.8 million settlement from the Tennessee Valley Authority to more than 800 people affected by a 2008 accident that unleashed a wave of toxic coal sludge, plaintiffs' lawyers said Tuesday."

"Mississippi Power will convert from coal to natural gas or retire several units at plants in south Mississippi and Greene County, Alabama, as part of an agreement to end litigation over construction of a coal-fired power plant in Kemper County."

"CHARLOTTE — When Republicans took control of the North Carolina legislature four years ago, they promised to do away with environmental regulations they claimed hurt economic growth. But environmental groups say lawmakers have gone too far, gutting laws aimed at protecting the public's health."

North Carolina lawmakers said Thursday they still haven't reached agreement on legislation requiring Duke Energy to limit pollution leaking from its coal ash dumps across the state, nearly six months after a spill coated 70 miles of the Dan River with gray sludge."

"An 8-acre mound of oven-baked dirt -- so sterile that no worms or weeds can live in it -- is all that remains after an $82 million Superfund cleanup at the site of Ward Transformer Co., the Triangle’s nastiest industrial polluter."

"Most of the Duke Energy coal ash that spilled into the Dan River in February will stay there, creating a rift between regulators and river advocates over the cleanup."