With this new technology, even a small-scale system for treating human waste in areas without access to sewage systems or electricity, becomes possible.
Read more… http://www.smartplanet.com/blog/bulletin/how-to-boil-water-using-only-sunlight/7873
Rolling Change Across Continents: How the Hippo Roller Is Transforming Lives Through Improved Water Access
Access to water is about far more than quenching thirst. It is about health, dignity, education, food security, economic opportunity, and hope. Across Africa and
hipporoller
2026-06-08
