| http://www.w3.org/ns/prov#value | - ???About 70 percent of fresh water is used for agriculture worldwide,??? Hornberger says, leaving 30 percent for all other uses such as drinking, cooking and energy production. ???We are already seeing water issues in the U.S.,??? he notes, citing water shortages in the Southwest, as well as the conflict between Tennessee and Georgia over access to the Tennessee River.
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