"In Carlsbad, the nation's largest desalination facility will require lots of energy — and money. It is expected to provide no more than a tenth of San Diego County ratepayers' overall water supply."

"Mass application of nutrients causes pollution in some areas while under-use hampers food production in others."

"What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies."

"The US Supreme Court has denied a plea from anti-whaling group Sea Shepherd to end restrictions on its movement as Japan's whalers accused the activists of violating orders to stay away."

"Transocean Deepwater Inc. was found guilty by a federal judge Thursday of violating the federal Clean Water Act, based on the company's role in causing the uncontrolled release of 4.9 million barrels of oil into the Gulf of Mexico from BP's Macondo well after Transocean's Deepwater Horizon drilling rig exploded and sank in April 2010."

"Alleging violations of the federal Clean Water Act at the Colbert Fossil Plant, a coalition of environmental groups announced plans to file a lawsuit against the Tennessee Valley Authority on Wednesday."

"During the Gold Rush, the San Francisco Bay’s native oyster habitat was all but wiped out due to overharvesting and hydraulic mining washing sediment onto the bay floor. But a Richmond-based nonprofit has plans to restore the shellfish’s lost habitat along the Point Pinole shoreline."

"FIREBAUGH, Calif. -- A $30 million water treatment plant rises slowly over this quiet prairie on the San Joaquin Valley's west side where nature has both blessed and cursed farmers."

"DOHA, Qatar -- An amount of freshwater almost the size of the Dead Sea has been lost in parts of the Middle East due to poor management, increased demands for groundwater and the effects of a 2007 drought, according to a NASA study."

"HOUSTON -- More than 80 environmental groups on Monday demanded a broad investigation into whether the U.S. Environmental Protection Agency behaved improperly when it abruptly dropped enforcement actions against a gas driller it had accused of contaminating water in Texas."