Some ideas about water are all wet

The local environmental club keeps urging me to stop “wasting water” – to take shorter showers, for instance, and to water my lawn less often. But how is it possible to waste water when it’s constantly being recycled through evaporation and rain?

It’s true: Thanks to the hydrologic cycle, we drink and bathe in the same H2O that rained on the dinosaurs. And, theoretically at least, the Earth has more than enough for all of us: According to Brian Richter, co-director of the Nature Conservancy’s Global Freshwater Program, human activities – agriculture, manufacturing, bathing, drinking and so on – consume only about 10 percent of the planet’s available freshwater supply.

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