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 |
As demand for freshwater soars, planetary supplies are becoming unpredictable.
Test your knowledge about freshwater and its use
A podcast interview with SciAm editor Steve Ashley about useful steps we can take now to keep the water running.
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?
Deadline: Jan 11 2014
Reward: $20,000 USD
Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
Deadline: Jan 27 2014
Reward: $15,000 USD
The Dow Chemical Company is the leading producer of polyalkylene glycols (PAGs) used in synthetic fluids and lubricants where petroleum,
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