Research duo maps worldwide water footprint with high spatial resolution
(PhysOrg.com) -- Arjen Hoekstra and Mesfin Mekonnen from the University of Twente in the Netherlands have created a worldwide water footprint map at a higher spatial resolution than has been seen before; and as they describe in their paper published in the Proceedings of the National Academy of Sciences, most (92%) of the water used by people the world over, goes to growing food. They also find that about a fifth of all water used goes towards products that are exported, creating, what they describe as a “virtual” water export business....
Source: PhysOrg - Tuesday, 14 February
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