How You Can Help Fix the Global Water Crisis

Humans may be depleting our water supply, but innovative methods say there's a way to replenish it.

The average American directly uses about 2,000 gallons of water each day. Your morning shower takes 17 gallons of water and growing the coffee beans for your cup of joe took upwards of 34 gallons. It takes 13 gallons of water to generate one gallon of gas, which adds up on your commute to work or school. The desktop computer you'll sit at for a good portion of the day took about 7,300 gallons of water to make.

Before lunch, you've used up thousands of gallons of water. (Use this calculator to figure out your water footprint.)

Sandra Postel, director of the Global Water Policy Project and former National Geographic Society Freshwater Fellow, demystifies humanity's

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