"With their quaint barrel-like contours and weathered cedar-plank sides, rooftop water towers are a constant on the New York City skyline. And though they may look like relics of a past age, millions of residents get their drinking water from the tanks every day."

"The fact that a second contaminant in West Virginia's drinking water eluded detection for nearly two weeks — despite intense testing of the water — reveals an important truth about how companies test drinking water: In most cases, they only find the contaminants they're looking for." ...

"The Tide manufacturer aims to cut phosphates from all its laundry soaps within two years, a move that could benefit the environment - especially in developing countries."

"While states like Washington are moving on their own to curb ocean acidification, national efforts are stymied by politics — and ever-rising CO2 emissions."

"The California drought, the worst in its history, could have far-reaching impacts for the state and for a nation that is only now starting to cope with climate change, experts say."

"The U.S. Forest Service considers allowing hydraulic fracturing for natural gas in George Washington National Forest in Virginia, stirring concern about risks to drinking water in the Washington, D.C., area."

"New urban waterways are making a come back. Cincinnati is following the lead of Seattle, Kalamazoo, Mich., and other cities by bringing back a buried stream that has been underground for a century. Uncovering these streams have environmental and economic benefits."

"CHARLESTON, W.Va. -- West Virginians should have been given clearer information that the 1-part-per-million screening level for the toxic chemical "Crude MCHM" was not a "bright line" between what exposures are safe and unsafe, a top U.S. Centers for Disease Control scientist said Wednesday."