John R. Ehrenfeld is Executive Director of the International Society for Industrial Ecology. He retired in 2000 as the Director of the MIT Program on Technology, Business, and Environment, an interdisciplinary educational, research, and policy program.

John R. Ehrenfeld is Executive Director of the International Society for Industrial Ecology. He retired in 2000 as the Director of the MIT Program on Technology, Business, and Environment, an interdisciplinary educational, research, and policy program. The author of Sustainability by Design: A Subversive Strategy for Transforming Our Consumer Culture says the current craze for going green is all wrong.