Nantes, France–based design firm Faltazi has developed outdoor urine composters to mitigate the issue of public urination in cities. The two-layer box has flowers growing from nutrient-rich soil at the top with a urinal trough leading into the lower cabin filled with straw. Straw is used to reduce odor and the resulting compost is found to create nutriet-rich soil. Gare de Lyon train station in Paris has already purchased two of these "Uritrottoirs."
Read the full story at Fastco Design.