"Florida filed a lawsuit on Tuesday asking the U.S. Supreme Court to reduce neighboring Georgia's use of water from the Chattahoochee River that feeds the oyster beds and fish-spawning areas of Florida's Gulf Coast."

"In an episode that evokes B-grade sci-fi movie plots from the 1950s, but actually reflects a continuing global problem, nuclear engineers in southeastern Sweden have been wrestling with a giant swarm of jellyfish that forced the shutdown of the world’s largest boiling-water reactor."

"MYSTIC, Conn. — On her trainer’s command, an alabaster-skinned beluga whale named Naku placed her chin on the deck of her outdoor pool and exhaled several times, emitting a hollow 'chuff' sound with each breath. The vapor rose into a petri dish a researcher held over her blowhole."

"On an overcast day in early August, a flotilla of five canoes pushed away from a jetty in Astoria, Ore., near where the Pacific breaks on Desolation Point, at the mouth of the Columbia River."

"The federal government is about to release its final, $500 million cleanup plan for the Gowanus Canal, one of New York City’s two Superfund sites, a long-awaited moment in the effort to cleanse more than a century of environmental abuse."

"Shenandoah Riverkeeper Jeff Kelble filed an appeal in Richmond Circuit Court on Wednesday to overturn Virginia's sewage sludge regulations."

"A federal judge in California has sided with environmental groups in their lawsuit against the U.S. government over Navy training exercises off the West Coast involving sonar that they say harms endangered whales, dolphins and other protected marine mammals."

"Critics of hydraulic fracturing, known widely as 'fracking,' have been pushing hard for natural gas companies to disclose all of the chemicals in the fluids that are used in the process. But what if the companies themselves don't even know what those chemicals are?"

"WHITING -- The Indiana Department of Environmental Management issued its final ruling on a permit application for BP's Whiting Refinery, requiring the company to cut its mercury releases into Lake Michigan by more than half."