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
Hippo Roller: A Lifeline for Communities Facing Water Scarcity
World Water Day 2025: A Growing Crisis Water scarcity is an escalating global crisis, affecting billions of people and fueling conflicts worldwide. By 2040, nearly
hipporoller
2025-03-25
