Thursday, August 20, 2009

The supply chain of water


In every glass of water we drink, some of the water has already passed through fishes, trees, bacteria, worms in the soil, and many other organisms, including people...Living systems cleanse water and make it fit, among other things, for human consumption.

ELLIOT A. NORSE, in R.J. Hoage, ed., Animal Extinctions, 1985

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