Turning manure into gold: The excrement economy

April 23, 2015 2:20 PM

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Behold the new black gold. Dark and warm, it oozes water and teems with beneficial properties. It even harbors precious metals.

Call it the excrement economy. Between the rise of fecal transplants and water strained from latrine sludge, the poop market is hot. Besides removing toxic waste, the commodification of crap could mean big bucks, especially in the developing world. Sounds crazy, but look at what happened with used c...

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