Eric Toensmeier has studied and practiced permaculture since 1990. He is the author of Perennial Vegetables and coauthor of Edible Forest Gardens with Dave Jacke. Toensmeier has worked as a small-farm trainer at the New England Small Farm Institute, has managed the Tierra de Oportunidades new farmer program of Nuestras Raices, and is a graduate and former faculty member of the Institute for Social Ecology in Plainfield, Vermont. His current interest is in large-scale permaculture farming as a carbon-sequestering solution to climate change. Toensmeier's writing, consulting, and teaching business is based at www.perennialsolutions.org, where he posts his latest articles and videos. He lives in Holyoke, Massachusetts.