Stewart Elgie is a professor of law and economics at the University of Ottawa, and director of the University's interdisciplinary Environment Institute. He received his Masters of Law from Harvard, and his doctorate (J.S.D.) from Yale (thesis on forest carbon markets). He is also the founder and chair of Sustainable Prosperity, Canada's major green economy think tank and policy-research network. His research involves many aspects of environmental and economic sustainability, with a particular focus in recent years on market-based approaches.