Reinvent The Toilet Challenge http://www.gatesfoundation.org/watersanitationhygiene/Documents/wsh-strategy-overview.pdf There is a need for developing cost-effective ways of neutralizing human waste - the Bill & Melinda Gates Foundation has announce d ~ $42 million program to promote safe, affordable sanitation in developing countries (2011). The effort will include research and tech development funding "to spur innovations in the capture and storage of waste, as well as its processing into reusable energy, fertilizer, and fresh water," according the group's press release. The centerpiece of the project, under the umbrella of sanitation science and technology, is what's succinctly called the "Reinvent the Toilet Challenge." The foundation has awarded eight grants, totaling $3 million, to universities, to spur the "concept development, design, and prototyping of a waterless, hygienic toilet that costs less than $0.05 per user pe...
