July 23, 2008 | 9 comments

Watering a Thirsty World [Slide Show]

See how overstretched freshwater supplies will increasingly influence the way we live.

By Adam Hadhazy   

 
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UNSIGHTLY BATHTUB RING Watering a Thirsty World [Slide Show] :: See how overstretched freshwater supplies will in

CLICK TO ENLARGE + Orjan F. Ellingvag/ Dagens Naringsliv/Corbis

UNSIGHTLY BATHTUB RINGLake Mead, seen here from the Hoover Dam, is at a record low level due to years of drought, which have depleted the flow of the Colorado River that feeds it. The white "bathtub ring" of mineral deposits on the rocky embankments indicates the high water levels of wetter years in the past. This artificial lake and reservoir, the nation's largest, provides most of the water for fast-growing Las Vegas, Nev.
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