(AP) These aren’t your typical loos. One uses microwave energy to transform human waste into electricity. Another captures urine and uses it for flushing. And still another turns excrement into ...

Spurred on by the Gates Foundation’s Reinvent the Toilet challenge, a team of engineers and designers from Cranfield University in the UK created what has been dubbed the “Nano Membrane Toilet.” The ...

Save the poop jokes, because Rose George has heard them all. When the London-based journalist decided to write a book on human waste, toilets and the world sanitation crisis, she knew that she’d be ...

The Reinvent the Toilet Challenge asked engineers to dream up a replacement for the antiquated flush toilet. Michael Hoffmann and his team at Caltech responded with a solar-powered toilet that ...

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US toilets use far more water than many of their global counterparts. President Donald Trump is pushing to loosen water ...

Bill Gates, right, looks at a device that uses solar energy to treat human waste, as he tours the "Reinventing the Toliet" Fair, Tuesday, Aug. 14, 2012, in Seattle, which is part of a Bill & Melinda ...