Thirsty Because We Are Hungry: March 22 Is World Water Day

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Many Mouths to Feed = Lots of Water Use

Although the U.N. estimates we each drink only about ½ to one gallon of water each day, thousands more gallons are used to produce the food we eat. With an estimated seven billion people on the planet today and another two billion expected by 2050, feeding the entire world will only continue to cost us more water if we don’t act now. “Food — and agriculture in particular — is by far the largest user of water,” Pasquale Steduto, the head of water programs at the U.N. Food and Agriculture Organization, told Voice of America.

(Photo: Brent Stirton/Getty Images)

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