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Associated Press
This undated photo provided by The World Food Prize Foundation shows Dr. Daniel Hillel with Palestinian Muslim community leaders, through whom he encouraged the adoption of drip irrigation. Hillel, who is credited with developing drip irrigation methods that conserve water while allowing food to be grown in some of the world's driest climates, was named the winner of the World Food Prize, Tuesday, June 12, 2012.   (AP Photo/This undated photo provided by The World Food Prize Foundation)

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