As demand for freshwater soars, planetary supplies are becoming unpredictable. Existing technologies could avert a global water crisis, but they must be implemented soon
Test your knowledge about water and its use
Why don't we get our drinking water from the ocean by taking the salt out of seawater?
Peter Gleick, president of the Pacific Institute, distills an answer:
Top 10 Water Wasters: From Washing Dishes to Watering the Desert
The many ways we squander water, from unintentional leaks to outright negligence
Get Involved in Freshwater Conservation
Steve Ashley on the Coming Water Crisis
Scientific American editor Steve Ashley talks about the future of fresh water and the steps we can take to ensure that we all have potable water in the years ahead. Steve Mirsky reports...
Freshwater Crisis: Current Situation
Lots of Water, but Not Always Where It Is Needed
Freshwater Crisis: Looming Shortages
Growing More Food With Less Water
If the world hopes to feed its burgeoning population, irrigation must become less wasteful and more widespread
The Challenge of Sustainable Water
Water supplies around the world are already severely stressed. Population growth and global warming will only worsen those problems
New Menu Item on Space Station: Drinking Water Made from Recycled Urine
NASA works to develop more efficient systems to convert urine and cabin condensation into potable water for long missions to the moon or Mars
Making Every Drop Count
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?...