Bringing light to the poor, one liter at a time

Published: 14 July 2011 y., Thursday

A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for shanty dwellers in light-deprived slums of the Philippines. The simple technology is spreading sunlight in places where it's never been, and saving residents money at the same time.

 

 

Šaltinis: Reuters
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