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The Hidden World of Water
March 29, 2010
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Water is so getting scarce that some experts say future wars will be fought over it...and not oil. Are we thirstier than ever or just more wasteful? Environmental journalist Simran Sethi interviews The Green Blue Book author Tom Kostigen about the "virtual" water used in creating products that don't have anything to do with water—like cotton panties and cars—and how we can reduce our waste.

Find out how to reduce your water footprint
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