"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."

"Traces of 18 unregulated chemicals were found in drinking water from more than one-third of U.S. water utilities in a nationwide sampling, according to new, unpublished research by federal scientists. Included are 11 perfluorinated chemicals, an herbicide, two solvents, caffeine, an antibacterial compound, a metal and an antidepressant."

"Tiny bits of plastic rubbish ingested by marine worms is significantly harming their health and will have wider impact on ocean ecosystems, scientists have found."

"Every time you wash your hair, a lot of shampoo goes down the drain. And if you're bothered by tiny white flakes, odds are you use a shampoo that deals with dandruff."

"Feel like a nice cool glass of ice water? Before you take a sip, you might want to take a quick tour of your home. How’s the fill valve in your toilet? Do you have a vacuum breaker on your outside spigots? What about your boiler?"

"EDMONTON - The coal slurry drifting along the Athabasca River swept through Fort McMurray Friday en route to Lake Athabasca where whatever is left of the murky waste water will likely settle in the coming days."

"The U.S. lost an average of 80,000 acres of coastal wetlands from 2004 to 2009, according to the latest data published by federal agencies. More than 70 percent of the estimated loss came in the Gulf of Mexico; nationwide, most of the loss was blamed on development that incurred on freshwater wetlands."

"Scio Township resident Roger Rayle is beginning his 21st year as a citizen volunteer watching over the issue of the expanding Pall-Gelman 1,4-dioxane plume."

"Only about half of the prescription drugs and other newly emerging contaminants in sewage are removed by treatment plants."