A toilet without water

The Gates Foundation has just announced a $42 million project over several years to develop a toilet that doesn't need water, mains power or sewerage and that will cost next to nothing. Joseph Jenkins, a long-time proponent of ‘humanure’ - composting of human waste until safe enough for vegetable gardening - says 'the Gates Foundation and most in the international sanitation community are stuck in the old paradigm, which is the belief that our excrement is waste and needs to be disposed of in one way or another.  But at least the search is on...See here.