Toby Hemenway is the author of Gaia's Garden: A Guide to Home-Scale Permaculture, which for the past six years has been the world's best-selling book on permaculture, a design approach based on ecology for creating sustainable landscapes, homes, communities, and workplaces. He has been an adjunct professor in the School of Graduate Education at Portland State University, Scholar-in-Residence at Pacific University, and a biologist consultant for the Biomimicry Guild. He teaches, consults, and lectures on permaculture and ecological design throughout the US and other countries. His writing has appeared in magazines such as Natural Home, Whole Earth Review, and American Gardener. He lives in Sebastopol, California, where he is developing sites and resources for urban and small-town sustainability.