STEVEN DANIEL GARBER, PHD, is an environmental advisor, author, and educator. He has taught biology in public schools and at Cornell University, the City University of New York, and Rutgers University. Steven has worked as a biologist at the American Museum of Natural History, the National Park Service, Yale University's Peabody Museum of Natural History, and the New York City Parks Department. He is the author of The Urban Naturalist and Biology: A Self-Teaching Guide.