Dr. Byron Williston is an Associate Professor of Philosophy at Wilfrid Laurier University. He received his PhD in Philosophy at The University of Toronto, and has taught at the University of Toronto, The University of South Florida, and Wilfrid Laurier University. He is the author of Environmental Ethics for Canadians, 2nd edition (forthcoming, Oxford University Press) as well as numerous articles on the History of Philosophy, Ethical Theory, Environmental Ethics, Epistemology, and the problem of motivated irrationality.