A new report for the National Resources Defense Council claims one-third of all counties in the lower 48 states will face higher risks of water shortages due to global warming.

The report finds that 14 states face an extreme or high risk to water sustainability, or are likely to see limitations on water availability as demand exceeds supply by 2050. But in some arid regions (such as Texas, the Southwest and California) and agricultural areas, water withdrawal is greater than 100% of the available precipitation so that water is already used in quantities that exceed supply. 

 

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