"Ocean acidification triggered by massive volcanic eruptions helped cause the worst mass extinction in the history of life on Earth, according to a new study."
"For 6 million years, the Colorado River has gathered fresh snowmelt high in the Rocky Mountains and carried that water south for 1,450 miles (2,300 kilometers). It travels over falls and rapids, through deserts and canyons, all the while providing water to 35 million people and thousands of acres of farmland. But today the river is at risk."
"Ohio Attorney General Mike DeWine, Ohio Environmental Protection Agency Director Craig W. Butler and Ohio Department of Natural Resources Director James Zehringer today announced that the state has filed a lawsuit against the U.S. Army Corps of Engineers for its plan to place dredge material from Cleveland Harbor, which includes six miles of the Cuyahoga River, in Lake Erie or not dredge the entire navigation channel unless a non-federal partner pays to place it in confined disposal facilities."
"A federal appeals court Tuesday (April 7) ordered a New Orleans federal judge to reconsider his ruling that the Environmental Protection Agency must decide whether more stringent rules are needed to curb the flow of fertilizer and other nutrient pollutants into the Mississippi River to stem the size of a low-oxygen "dead zone" that forms along Louisiana's coast each spring."
"A remarkable adventure came to a dramatic end Monday: The captain of a rogue fishing vessel that had been tailed by activists for more than three months apparently sank his ship off West Africa rather than face arrest with a load of illegally caught fish."
"The Environmental Protection Agency (EPA) on Monday sent to the White House its controversial regulation to redefine the extent of its authority over water pollution control."
"The U.S. Fish and Wildlife Service is proposing to list species of Appalachian crayfish as endangered, with potential consequences for the struggling eastern Kentucky mining industry."
"The only resident group of whales in the Gulf of Mexico, a population numbering fewer than 50 animals off the Florida panhandle, has moved one step closer to possible federal protection under the U.S. Endangered Species Act."
"When Gov. Jerry Brown issued the first statewide water use reduction order in California history on Wednesday, he put his emphasis squarely on cities and towns."
"Five generations of Philip Vinson's family have labored using tongs to pull oysters from Apalachicola Bay's shallow waters. He fears there won't be a sixth."
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