A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for dwellers in the light-deprived slums of the Philippines.
A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for dwellers in the light-deprived slums of the Philippines.
The simple technology is spreading sunlight in places where it has never been, and saving residents money at the same time.
This coverage was written by Gemma Haines for Reuters, 11 July 2011 is presented courtesy of PlanetArk, World Environment News.