Some 2.4 billion people around the world do not have access to decent sanitation and more than a billion are forced to defecate in the open, risking disease and other dangers, according to the United Nations. The full story in the November 29, 2015 Sunday Sun. A similar article was posted in the New York Times in 2008.
Jroberts Manufacturing has been working with the University of Toronto to fabricate a water less toilet which needs no plumbing. The system works with solar energy to sanitize the waste is heated and mixed with sand then comes out the other end as sanitized usable soil.