Cayuga Compost and Cornell University have successfully "upcycled" 12 tons of dog feces from a local park, turning it into pathogen-free compost that will be used as tree fertilizer in the same park. Upcycling is the processing of waste into a usable commodity, and since dogs in the U.S. produce a whopping 10.6 million tons of excrement annually, upcycling provides an environmentally friendly use for the feces.

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