Reuters
July 20, 2010

KANSAS CITY, Missouri — One-third of U.S. counties are facing a high risk that future water demand will outstrip supplies, spelling potential disaster for central and southern states and the crops grown there, a new study says.

Persistently parched grasslands, withering wheat and corn crops, and strained city utilities are a growing probability for fourteen states seen at extreme risk of water shortages by 2050, including Kansas, Oklahoma, Nebraska, and Texas, according to the report released on Tuesday by the Natural Resources Defense Council (NRDC).

In all, more than one-third of all counties in the lower 48 states are at high risk of water shortages by mid-century as climate change combines with growing population, the study found. California, Arizona, Nevada and Colorado also make the list of severely water-threatened areas.

An estimated $100 billion in crops needed for food, fuel and livestock feed grown in those areas could be threatened, according to the study. Food production and agriculture are the largest consumers of fresh water, requiring 100 times more than the amount used for daily personal needs,

"We hope this is a wake-up call," said Theo Spencer, a climate specialist with the Natural Defense Resource Council, one of the nation's largest environmental groups.

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