Pee Power! Recycling Urine to Powder Makes Superior Fertilizer

Photo of urine separating toilet instructions via tjuvtittat.se. "Night soil" has for centuries been the fertilizer of choice for healthy gardens, and at TreeHugger we've tried all the bad puns there are when writing about the art of utilizing urine for garden fertilizing. Why are we so obsessed? Well, the Western penchant for flushing away the poo and the pee is an expensive and wasteful proposition. It can also be downright scary to think of someone else's antibiotics and Viagra e...