A Revolutionary Sanitation Technology with Superhydrophobic Materials submitted by Chunlei Guo of the University of Rochester, USA
Conversion of Human Excreta to Energy and Biochar from Jason Aramburu of re:char, USA
Effective Sewage Sanitation with Low CO2 Footprint from Marc Deshusses and David Schaad of Duke University in the U.S (read a university press release about this project)
Energy Recovery & Waste Treatment with Floating Biodigesters submitted by Rob Hughes and colleagues at Live & Learn Environmental Education in Cambodia
Floating Community Wastewater Treatment in Asia – Taber Hand of Wetlands Work! in Cambodia will field test a waste water treatment system that uses floating “pods” filled with wetland plants and moving water and sit directly under the toilet of houseboats in floating villages in Southeast Asia.
Self-Sterilizing Easy Clean Latrine Mat and Casting Form submitted by Paul Vernon and a team at Brighton Development, LLC in the U.S.
Urine-tricity: Electricity from Urine and Sludge submitted by Ioannis Ieropoulos of the University of the West of England, Bristol, UK
Go to the Grand Challenges in Global Health web site for a list of all 31 winning projects.