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Today's Video

Processing human urine to recycle nutrients into fertilizer

This sustainable agriculture research relies on a unique contribution from humans -- urine. And, once you get beyond the "giggle" factor, it’s an idea that is proving itself worthy of investigation. Fertilizer is made of nutrients like nitrogen and phosphorus that require energy to produce. Human urine is full of those same nutrients, but we literally flush them down the toilet. With support from the National Science Foundation, University of Michigan environmental engineer Nancy Love and a team that includes the nonprofit Rich Earth Institute are fine-tuning new methods to process human urine into fertilizer. The team wants to create a more sustainable fertilizer while at the same time eliminating a waste that contributes to water pollution.

Provided by National Science Foundation
Runtime: 3:48