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DOUG MCKENZIE-MOHR is an environmental psychologist teaching at St. Thomas University. He has served as a member of the steering committee of Holis: The Society for a Sustainable Future, the education task force of the Canadian National Round Table on the Environment and the Economy, and the technical advisory group for SustainABILITY. He is a coauthor of Fostering Sustainable Behavior: An Introduction to Community-Based Social Marketing.