Good magazine has a water-use "Transparency," a chart that graphically illustrates how much average water is used for various activities and how to reduce it.
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.
According to the chart, beef represents one of the most intensive uses of water. [via Doobybrain.com]
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