GREEN

Using The Sun's Power To Broaden Access To Drinking Water

02/13/2009 05:12 am ET | Updated May 25, 2011

Though its really not as glamorous an environmental issue as some of the others out there (no high profile wind turbines, no hockey stick graphs and Keynote slideshows) access to clean drinking water is a major problem for many of the world's people. Now a relatively simple device called the Solvatten hopes to provide a solution to the issue. Though I'm not really sure it's accurate to call it a solar-powered device, at least in the sense that most people would conceive it, here's how it works:

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