3 ms·US Cities Are Recycling Trees and Poop to Make Compost8 points by prostoalex 4y agometadat 4y agoYes, TFA really is suggesting we combine tree droppings with human excrement. Where can I sign up to become a donor?deleted 4y ago[deleted]euroderf 4y agoTired: "Tubular!" Wired: "Circular!" (economy)