“The next time you flush a toilet, consider this: 1 billion people defecate in the open. Another 4 billion use rudimentary toilets and their waste is never treated.
I have visited communities where this is a sobering fact of life. The smell can be overwhelming, but even worse, the sewage seeps into the water supply, spreading disease. Poor sanitation is linked to the deaths of some 700,000 children every year.
Our foundation is funding the Omni Processor, a machine that we hope will make sanitation affordable. In this slideshow you can read more about the OP and see what a difference breakthrough sanitation ideas can make…”
— Bill Gates | August 11, 2015