Sunday, 22 November 2015

Study is first to map Earth's hidden groundwater

WATER WORLD
Study is first to map Earth's hidden groundwater
Victoria, Canada (SPX) Nov 20, 2015 - Groundwater: it's one of the planet's most exploited, most precious natural resources. It ranges in age from months to millions of years old. Around the world, there's increasing demand to know how much we have and how long before it's tapped out. For the first time since a back-of-the-envelope calculation of the global volume of groundwater was attempted in the 1970s, an international gro ... more


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