Sound Byte from National Public Radio USA

by Peter Kenyon

Link to NPR site:  http://www.npr.org/templates/story/story.php?storyId=124012949

An American in Yemen has become one of the few global manufacturers of affordable and deceptively simple ceramic water filters that could play a vital role in bringing safe drinking water to millions of people. Using technology that originated in Latin America, he sold 20,000 filters last year at $25 apiece, and hopes to expand his operations this year.

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