Officials say the urinals are eco-friendly -- they will harness nutrients in waste to produce compost for parks and gardens. According to the statement, one year of a person's urine holds enough nitrogen, phosphorous and potassium to fertilize 400 square meters of wheat. Want have to get behind a tree no more.
https://www.cnn.com/2018/08/14/europe/p ... index.html
https://www.cnn.com/2018/08/14/europe/p ... index.html