Did you know that Americans produce 30 billion gallons of urine annually. (Containing over 5,000 grams of fertilizer per person). Sure seems like that is a lot of value just being flushed down the toilet. Kim Nace founder Rich Earth Institute is dedicated to advancing and promoting the use of human waste as a resource. The Institute was founded in 2011 and they are conducting the first controlled field trials in the US using source-separated human urine as a fertilizer.