Global water supplies are ‘in distress’, scientists warn

17 Jun 2015   Water

More than a third of the world’s biggest aquifers, a vital source of fresh water for millions, are “in distress” because human activities are draining them, according to satellite observations.  Scientists from Nasa, the US space agency, and the University of California, Irvine, analysed 10 years of data from the twin Grace satellites, which measure changes in groundwater reserves by the way they affect Earth’s gravitational pull.

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