Episode 9: David Wann is the president of the Sustainable Futures Society, a board member of the Cohousing Association of the U.S., a fellow of the Simplicity Forum, and the recipient of various lifetime achievement awards for his work on sustainability. Wann is the author of many books, including Affluenza, Superbia!- 31 Ways to Create Sustainable Neighborhoods, Reinventing Community, The Zen of Gardening In the High & Arid West, and his new book "Simple Prosperity: Finding Real Wealth in a Sustainable Lifestyle."