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Showing posts with label
Biosand filters
.
Show all posts
Showing posts with label
Biosand filters
.
Show all posts
Sunday, January 13, 2008
Good works filter down
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Low-tech solution has high rate of success in fighting water diseases Jan 12, 2008 By Prashant Nair Special to The Chapel Hill News (North C...
Thursday, January 03, 2008
Chapel Hill (USA) water filters save Cambodians
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A Chapel Hill project is helping supply safe drinking water to Cambodian homes by selling affordable water filters. (Photo: Joe Brown ) Jan ...
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