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Michael Phelps shows us how much water we're wasting when we brush our teeth

"When you brush your teeth, you're wasting up to...64 glasses of water."
 By 
Mark Stetson
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Michael Phelps shows us how much water we're wasting when we brush our teeth
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U.S. Olympic swimmer Michael Phelps has collaborated with Colgate to ensure that everyone is learning how to save water. Phelps explains that up to 4 gallons of water is wasted each time we brush with the faucet on.

Topics Activism Olympics Celebrities

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