Bill Gates invests in solar-powered toilet
►http://www.aljazeera.com/news/americas/2012/08/201281601350190483.html
US billionaire and philanthropist Bill Gates is investing in a solar-powered toilet for the developing world that will use little or no water.
The need for a new type of toilet is an important part of the Bill & Melinda Gates Foundation’s push to improve health in the developing world, officials familiar with the project said.
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