The Center for Biological Diversity has filed the federal lawsuit on ocean acidification, charging that the EPA has failed to comply with its mandate under the Clean Water Act to protect Washington State’s ocean waters from excessive CO2.

"When you hear about dead zones in the Gulf of Mexico and the Great Lakes, they’re largely caused by pollution draining from the farm belt. It can take a long time and a lot of money to reduce pollution at factories. So they’re starting to pay farmers to cut pollution instead."

"A bill introduced earlier this month would bring federal oversight of hydraulic fracturing fluids -- chemical mixtures pumped at high pressure into oil and gas wells in order to unlock deposits trapped deep underground."

"An El Nino weather pattern this year appears almost certain, Australia's Bureau of Meteorology said on Wednesday in a revised forecast, raising the prospect of drought in Australia and a even weaker monsoon in India."

"A plan to cap a vast, long-neglected deposit of the pesticide DDT on the ocean floor off Southern California got its first public airing Tuesday."

Scientists are forecasting that the pollution-caused 'dead zone' in the Gulf of Mexico this summer could be one of the largest on record.

"A swirling 'soup' of tiny pieces of plastic has been found in the Atlantic Ocean, and something similar may be present in other ocean areas as well."

"Environmentalists praised Senate lawmakers on Thursday for approving legislation that more clearly defines which bodies of water are subject to federal regulation."

"Exxon Mobil Corp. must pay victims of the 1989 Exxon Valdez oil spill $480 million more in interest on their delayed punitive damages awards as well as cover $70 million in the company's own appeals costs, a federal appeals court ruled Monday."

"Nearly a month after the onset of a navigational dredging project in the Saginaw River that some worry will send dioxin-contaminated sediments downstream toward the intakes for Bay City’s water supply, EPA officials responded to citizen concerns by announcing it would not test the water for the toxin."

"The US and Canada have agreed to update the 37-year-old Great Lakes Water Quality Agreement that commits both countries 'to restore and maintain the chemical, physical, and biological integrity of the waters of the Great Lakes Basin Ecosystem.'"

Witnesses at a Senate Hearing testified about many ways in which the world's oceans are already being affected by global warming.

"The Army Corps of Engineers is on a mission to chop down every tree in the country that grows within 15 feet of a levee — including oaks and sycamores in Louisiana, willows in Oklahoma and cottonwoods in California."

"The world's seas are filled with too much garbage and too few fish with flimsy plastic bags and government subsidies bearing much of the blame, activists and trade officials said Monday on the first U.N. World Oceans Day."

"Even today the Great Lakes landscape is bouncing back from the glaciers that retreated 10,000 years ago. A key question researchers recently sought to answer is whether that has anything to do with fluctuating lake levels."