Secret of vanishing water

NASA's Grace satellites measured the depletion of groundwater in northwestern India between 2002 and 2008. Image: NASA/Trent Schindler and Matt Rodell

PASADENA, Calif, from the Jet Propulsion Laboratory:  Using NASA satellite data, scientists have found that groundwater levels in northern India have been declining by as much as 33 centimeters (1 foot) per year over the past decade. Researchers concluded the loss is almost entirely due to human activity. For the full story, click here.

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