NewScientist.com news service
Jim Giles
The water shortages gripping the western US are the result of global warming, not natural variations in climate, according to a bleak study by hydrologists. The results suggest that water disputes will plague the region in the future and damage economic growth unless action is taken now, warn researchers.
About 60% of the changes seen in river flow in the western US are due to warming caused by humans, their study suggests.
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