Have you ever wondered why we poop in fresh water? In this interview author Carol Steinfeld, of Ecowater Projects, talks about human waste as a resource. Carol, co-author of The Composting Toilet System Book and Reusing the Resource: Adventures in Ecological Wastewater Recycling, shares her extensive knowledge about human waste management practices around the globe, innovative ways of re-using this neglected and often taboo material, and discusses why peeing outside might be a good idea.