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As the global population grows--and freshwater supplies dwindle--ensuring that everyone has sufficient supplies of life-giving H2O has become an enormous challenge. Here's how to start.
July 23, 2008 |
Features
As demand for freshwater soars, planetary supplies are becoming unpredictable.
Podcast
A podcast interview with SciAm editor Steve Ashley about useful steps we can take now to keep the water running.
The many ways we squander water, from unintentional leaks to outright negligence
Peter Gleick, president of the Pacific Institute, distills an answer
We drink it, we generate electricity with it, we soak our crops with it. And we're stretching our supplies to the breaking point. Will we have enough clean water to satisfy all the world's needs?
NASA works to develop more efficient systems to convert urine and cabin condensation into potable water for long missions to the moon or Mars
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