Bill Gates‘ foundation held the Reinvent the Toilet Fair on August 14-15, 2012 at the Bill & Melinda Gates Foundation in Seattle, Wash. where scientists have taken up the challenge to build new toilets that are affordable and sustainable.
A prototype of a toilet designed by researchers from the California Institute of Technology. Photo: Bill & Melinda Gates Foundation/Michael Hanson
Dubbed as the “toilet revolution,” the mission of the foundation aims to solve problems about the poor sanitation in the developing world that causes severe diarrhea, which kills 1.5 million children each year.
About 2.5 billion people use unsafe toilets or defecate in the open, according to the foundation’s website.
“Inventing new toilets is one of the most important things we can do to reduce child deaths and disease and improve people’s lives. It is also something that can help wealthier countries conserve fresh water for other important purposes besides flushing,” Gates said.
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