A turbine intake drives air underground through a network of piping that rapidly cools the air to the temperature of the soil where it reaches 100% humidity and produces water. The water is then stored in an underground tank and pumped through to the roots of crops via sub surface drip irrigation hosing.
Read more: http://www.jamesdysonaward.org/Projects/Project.aspx?ID=1722&RegionId=0&Winindex=0

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