Five years ago, Fish Fry Lake was dying. The solution was as simple as it was improbable: cover rafts with plants, and set them afloat in the lake. Today, the lake is home to a thriving community of fish. Water clarity improved and oxygen levels rose. Read more… http://www.bbc.com/future/story/20120925-natures-water-purifiers

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
