In two new studies, a team of researchers led by hydrologists from the University of California, Irvine assessed the depletion of groundwater on a global scale using readings from NASA satellites. ... "If we continue to use groundwater the way it's being used, then there's a high chance that it could be depleted to the point that we can no longer use it in my lifetime in certain areas," said Alexandra Richey, the lead author of the studies.

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