As we become more and more aware that we may be using water at an unsustainable pace, the idea of water footprints—the amount of water an individual uses—is becoming more common. Water footprints can be hard to calculate, depending on how far up the chain of production you go, since everything you eat and buy used some water to produce (to feed cows for beef, for example, or to use in the factory that made your cell phone).
Read more: Good Magazine - How much water do YOU use?
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