From NPR's "Talk of the Nation", a story about sustainability in waste processing: Solar Toilet Disinfects Waste, Makes Hydrogen Fuel
You might take that sound for granted. I know I do. That's because most of us hear it all the time, at least in this country. Toilets are everywhere here in the U.S. But a lot of people around the world don't hear that sound every day, because two-and-a-half billion people, with the B, don't have a safe, sanitary place to go to the bathroom, according to the World Health Organization.
That's why the Gates Foundation rolled out its Reinvent the Toilet Challenge, asking engineers to dream up waterless, hygienic toilets for people in the developing world. They held a toilet fair. Yep, they held a toilet fair in Seattle this week, complete synthetic poop.
And my next guest and his team top prize with a solar-powered toilet that not only disinfects waste, but also produces hydrogen fuel