"Power producers such as Dynegy Corp. and Duke Energy Corp. are bracing for new U.S. rules on the water they discharge, standards that may impose further costs on the embattled coal industry."

"A gluttonous predator is power-eating its way through reefs from New York to Venezuela. It's the lionfish."

"The White House released a plan on Tuesday aimed at protecting oceans, coastal and Great Lakes environments around the United States while safeguarding related businesses that support more than 44 million jobs."

"Drought and demand are pushing the Colorado River beyond its limits — with the needs of more than 40 million people in seven Western states projected to outstrip dwindling supply over the next 50 years, according to an advocacy group's report on endangered rivers released on Wednesday."

"CUCAPÁ EL MAYOR, Mexico — Germán Muñoz looked out at the river before him and talked about the days when dolphins swam here, 60 miles from the sea."

"Nearly 140,000 whales and dolphins could be injured if the Obama administration allows energy companies to conduct seismic research aimed at identifying oil and gas along the Atlantic Coast, according to a new report issued Tuesday."

"High benzene levels in groundwater have been detected about 1,400 feet downstream of the presumed source of a hydrocarbons leak northwest of Parachute, the state Department of Natural Resources said today."

"WASHINGTON -- Last year's huge drought was a freak of nature that wasn't caused by man-made global warming, a new federal science study finds."

"Toxic chemicals clinging to plastics could cause health problems for fish and other organisms in the Great Lakes."

"Much of the oil spilled into the Gulf of Mexico after the Deepwater Horizon explosion in 2010 disappeared within weeks of the capping of BP's Macondo well on July 15, digested by a massive explosion in oil-eating microorganisms, said Terry Hazen, a professor of environmental biology at the University of Tennessee-Knoxville, during a Monday panel at the national conference of the American Chemical Society in New Orleans."

"LOS ANGELES -- Surfers here have long lived by a simple rule: When it rains, no matter how good the waves may be, stay out of the water. Those who do head out to the Venice Pier on a rainy day might have their bravery (or naïveté) repaid with pinkeye, a fever or diarrhea."

"The government on Thursday recommended the removal of four hydroelectric dams on the Klamath River in Oregon and California to aid native salmon runs and help resolve a decades-long struggle over allocation of scarce water resources."

"TORONTO, Ontario, Canada, April 4, 2013 (ENS) – The province of Ontario is harnessing more renewable electricity from Niagara Falls through the just-completed Niagara Tunnel Project, as part of its plan to phase out its coal-fired power plants by the end of 2014."

"The Obama administration is inching ahead with a plan that would allow wastewater from fracking to be shipped on barges, fueling a debate whether it is safer than other transportation modes or risks polluting drinking water."

"A federal agency has declared that more sick and dying sea lion pups have stranded themselves on southern California beaches so far in 2013 than in the previous five years combined, but scientists are still unsure what is afflicting the mammals."