"Take a walk, or take a canoe, down the Anacostia River. Here -- in the story of one smelly, trashy and sporadically beautiful stream -- is the unfinished business of the American environmental movement, 40 years after the first Earth Day."

"The most extensive survey of pH levels in the Pacific Ocean confirms what spot measurements have suggested: From Hawaii to Alaska, the upper reaches of the sea are becoming more acidic in concert with rising carbon dioxide in the atmosphere."

"The cruise line industry relies on pristine oceans, beautiful coral reefs and marine life to draw millions of travelers on cruise vacations each year. But the same ships that advertise excursions to untouched ocean scenery are threatening these very same natural resources with their standard practice of flushing harmful toxins, mostly as sewage and food waste, into the ocean."

"The U.S. Environmental Protection Agency this morning issued its proposed limits for phosphorus and nitrogen in Florida lakes and rivers -- a move anticipated by industry and environmental groups alike."

"After the spill, the crude oil was expected to biodegrade and wash away from Prince William Sound. But that didn't happen."

"A $40 million federal stimulus project to drill up to 50 new wells in California moves forward despite drying aquifers and community complaints."

"The Middle East is facing its worst water crisis in decades. For three summers, the annual rains have failed to come. Farmland has dried up across the region in Iraq, Syria, southeast Turkey and Lebanon."

After missing the last self-imposed deadline for cleaning up the Chesapeake Bay, mid-Atlantic governors say they are getting serious. Now EPA is taking over an effort the states have failed at.

"Just as wars over oil played a major role in 20th-century history, a new book makes a convincing case that many 21st-century conflicts will be fought over water."

"A coalition of former governors, congressmen, scientists and others sent the Obama Administration their proposed Chesapeake Bay restoration strategy, a plan much tougher than the one being developed by the U.S. Environmental Protection Agency."

"In the Pacific, jumbo squid have moved to new waters, signaling changes in the ocean, scientists observe."

"Experts say the 10 million gallons of untreated wastewater that poured into Puget Sound off Magnolia last week, while unacceptable, pales when compared with the toxic insults legally funneled into the Sound every day."

The effluent stream of an East Chicago, Indiana, wastewater treatment plant is clean enough to fool salmon into spawning there.

"The 35-year-old federal law regulating tap water is so out of date that the water Americans drink can pose what scientists say are serious health risks — and still be legal."

"Large swaths of toxic algae have punished U.S. coastal towns at record levels this year, shutting down shellfish harvests and sickening swimmers from Maine to Texas to Seattle."