The Agency Bill & Melinda Gates Foundation has donated nearly $42 million to build toilets that convert human waste into energy. This pioneering idea was designed in order to help areas of the world where there is no sewage system.
Dr. Andrew Coton's team, from the University of Loughborough, already manufactures a toilet that can produce charcoal, salt and fresh water from human feces. On the other hand Dr. George Stephanides from the University of Delft has built a toilet which converts human bodily functions into electricity.
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