Six Green Projects That Put Poop to Good Use (PHOTOS)
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If there ever was a renewable resource that we have more of than we even know what to do with, it's poop. It's cheap, plentiful and chances are high that we'll never run out of it. But why should you give a sh*t? Well, scientists and engineers are harnessing the power of poo to generate energy, create building materials and even, gulp, make food. Read on for six ingenious and green purposes for poo.