Bill Gates is at it again. Gates has moved his time and energy into solving world problems. One of them being Water, Sanitation, and Hygiene. With 40% of the world practice open defecation or lack adequate sanitation facilities, Gates decided to start the Reinvent the Toilet Challenge.
In August 2012, three prototypes were selected from the first round of the grants. California Institute of Technology received 1st for a solar power toilet that generates electricity. Loughborough University took 2nd for a toilet that extracts biological charcoal, minerals, and clean water from human waste. University of Toronto won 3rd for a toilet that sanitizes feces and urine and recovers resources and clean water.
Bill Gates continues to push people to solving the problem. Since 2012 they have been testing the prototypes and learning on how to expand and develop the technology to better server the world.
For more info: http://www.gatesfoundation.org/What-We-Do/Global-Development/Water-Sanitation-and-Hygiene
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