"Medical screenings have found high arsenic levels in at least two of the more than 50 residents tested near Louisville’s contaminated Black Leaf industrial site, the scene of Kentucky’s largest residential environmental cleanup ever."

"For the first time since records began being kept in Florida in the 1970s, the number of manatee deaths in a single year has topped 800, with two weeks remaining to the end of 2013."

"A crisis grips the Indian River Lagoon. Record numbers of manatees, dolphins and pelicans died in the past year — often from mysterious maladies. Sea grass flats are decimated. Unprecedented algae blooms have formed."

"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."