"LOUISVILLE, Ky. -- A group of Louisville residents who say coal ash from a nearby power plant drifts into their lungs and homes have sued the utility company."

"ST. PETERSBURG, Fla. -- The federal government is getting involved in the fight against citrus greening disease, in hopes of saving Florida's — and possibly the entire nation's — citrus crop."

"Interior Secretary Sally Jewell and state officials today announced the latest and largest slate of proposed projects to be funded by BP PLC to restore environmental damage and lost public use from the 2010 Deepwater Horizon oil spill."

"Most of the pilot whales that were stranded in the Florida Everglades swam into deeper water on Thursday while rescuers tried to chase the rest out to sea by banging on pipes and revving their boat engines."

"Everglades National Park, Florida (CNN) -- The outlook for dozens of short-finned pilot whales stranded in shallow water off Florida's Everglades National Park "does not look good," wildlife officials said Wednesday."

"Pollution from coal ash at a Duke Energy power plant in Wilmington kills hundreds of thousands of young fish a year and deforms many more, says a study commissioned by environmental groups that are suing Duke."

"NORTH TOPSAIL BEACH, N.C. -- A crane swung a new roof truss into place above a house being built on this belt of sand last week, helping to expand development on what some experts say is one of the most dangerous islands to build on in the United States."

"LITTLE ROCK, Ark. -- Lawsuits and alleged safety violations are mounting against Exxon Mobil Corp. following the rupture eight months ago of a pipeline that spilled thousands of barrels of oil in central Arkansas."