From The Nature Conservancy article:
“In 2009, workers for the Global Sustainable Aid Project (GSAP) began teaching Ghanians how to build microflush toilets. The privies, each built to process the wastes from two to three families, prevented sewage from contaminating water supplies. In 2015, officials from the World Health Organization certified that dracunculiasis had been eradicated within the country.
Red-wiggler technology made the jump from Africa to West Virginia in 2016, when a park visitor complained….
Read Full Article on The Nature Conservancy’s Blog