George Wuerthner is the ecological projects director for the Foundation for Deep Ecology, where he does research and writes about environmental issues. For many years he was a full-time freelance photographer and writer and has published thirty-five books on natural history, conservation history, ecology, and environmental issues. Eileen Crist teaches at Virginia Tech in the Department of Science and Technology in Society, where she is advisor for the undergraduate program Humanities, Science, and Environment. She is author of Images of Animals: Anthropomorphism and Animal Mind and coeditor of Gaia in Turmoil: Climate Change, Biodepletion, and Earth Ethics in an Age of Crisis. Tom Butler, a Vermont-based conservation activist and writer, is the board president of the Northeast Wilderness Trust and the former longtime editor of Wild Earth journal. His books include Wildlands Philanthropy, Plundering Appalachia, and ENERGY: Overdevelopment and the Delusion of Endless Growth.