Thursday, December 27, 2012

Will the West ever solve its water woes?





"The Colorado River provides fresh water to nearly 40 million people in seven states out west: Arizona, California, Nevada, Colorado, New Mexico, Utah and Wyoming. A sizable chunk of U.S. agriculture relies on that water — about 15 percent of the nation’s crops and 13 percent of its livestock. (Indeed, the vast majority of the river’s water is used for irrigation and agriculture.)

But there’s a problem: The Colorado River may soon no longer have enough water to satisfy the region’s needs. Thanks to rapid population growth in cities like Las Vegas and Phoenix, water demand is surging. Meanwhile, the supply of water is dropping — and could keep dropping as climate change speeds evaporation, shrinks the snow pack in the Rocky Mountains, and makes droughts more likely."

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