"SAN DIEGO — There are accusations of conspiracies, illegal secret meetings and double-dealing. Embarrassing documents and e-mails have been posted on an official Web site emblazoned with the words 'Fact vs. Fiction.' Animosities have grown so deep that the players have resorted to exchanging lengthy, caustic letters, packed with charges of lying and distortion. And it is all about water."

"The deaths of up to 20,000 migrating birds this year in a wildlife refuge near the Oregon border has renewed debate about resource management on the Klamath River, where myriad competing interests are fighting for water rights."

"A 1974 memo from Dow Chemical describes several chemicals in a widely used farm fumigant as 'garbage.' Today, one of those useless chemicals threatens drinking water for more than 1 million people across the San Joaquin Valley. Now linked to cancer, the toxin was waste from a plastic-making process. Chemical companies often mix such leftovers to create other products to avoid the cost of disposal, says one long-time chemical engineer."

"Two years after a blowout on BP’s Macondo well killed 11 men and triggered the largest oil spill in U.S. history, oil companies are again plying the waters of the Gulf of Mexico."

"KOMODO ISLAND, Indonesia — Coral gardens that were among Asia’s most spectacular, teeming with colorful sea life just a few months ago, have been transformed into desolate gray moonscapes by illegal fishermen who use explosives or cyanide to kill or stun their prey."

"New research shows that killer whales are inhaling bacteria, fungi and viruses once believed to be found only on land. Some of the pathogens are highly virulent. And some are even antibiotic-resistant."

"Federal Fish and Wildlife Service officials say that a drought-induced bird die-off in the Lower Klamath National Wildlife Refuge along the California-Oregon border has ended. But they warn that unless proposals to reconfigure water distribution along the Klamath River are enacted, the problem could recur."

"In 2006, developers, mining companies and agribusinesses convinced the George W. Bush administration to scale back a proposal that would have widened federal protections for wetlands and waterways in the wake of a muddled Supreme Court ruling on Clean Water Act enforcement."

"The estimated multibillion-dollar settlement between BP and lawyers representing individual and business plaintiffs in the 2010 Gulf of Mexico oil spill was fleshed out on Wednesday in hundreds of pages of motions and exhibits."