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Bruce Tonn

Fellow, Energy & Environment

PhD, Urban and Regional Planning, Northwestern University

Dr. Bruce Tonn is internationally known for his research and writings in the fields of energy policy, environmental policy, future studies, and decision making under uncertainty. He is President of Three3, Inc., a 501 C3 non-profit research organization located in Knoxville, TN. He is Professor Emeritus, Department of Political Science, University of Tennessee, Knoxville and held the position of Senior Researcher at Oak Ridge National Laboratory. His current research is focusing on estimating the non-energy benefits of weatherizing low-income homes and affordable multifamily buildings, and developing approaches to addressing the unintended consequences of energy and environmental technologies and policy decisions. Dr. Tonn was co-chair of a National Science Foundation panel that studied the convergence of science and technology. Dr. Tonn is an Associate Editor for the journal Futures and is on the editorial board of Sustainability. He received a BS in Civil Engineering from Stanford University, a Masters in City and Regional Planning from Harvard University, and a PhD in Urban and Regional Planning from Northwestern University.

Research Interests

Environmental and energy policy, futures studies, sustainability, climate change, decision-making under uncertainty, technology policy, and computers in society

Selected Publications

Tonn, B., Frymier, P., Stiefel, D., Skinner, L., Suwanee, N., and Tuck, R. 2013. “Toward An Infinitely Reusable, Recyclable, and Renewable Industrial Ecosystem,” Journal of Cleaner Production (available on-line).

Tonn, B., Hawkins, B., Schweitzer, M., Eisenberg, J. 2013. Process Evaluation of the Home Performance with Energy Star Program. Energy Policy, Vol. 56, 371-381.

Tonn, B. and Stiefel, D. 2013. “Evaluating Methods for Evaluating Existential Risks,” Risk Analysis, Vol. 33, No. 10, 1772-1787.

Tonn, B. and Stiefel, D, 2012. The Future of Governance and the Use of Advanced Information Technologies, Futures 44 812-822.

Tonn, B., Frymier, P., Graves, J., and Myers, J. 2010. “A Sustainable Energy Scenario for the United States: Year 2050,”Sustainability, 2 (12) 3650-3680.

Contact Information

Dr. Bruce Tonn


Three3, Inc.

520 W. Summit Hill Drive, Suite 1101

Knoxville, TN 37902


The flagship campus of the University of Tennessee System and partner in the Tennessee Transfer Pathway.