Heather E. Campbell is Thornton F. Bradshaw Professor of Public Policy and Director, Division of Politics & Economics at Claremont Graduate University in California, USA. Adam Eckerd is an Associate Professor and PhD Program Director at the School of Public Service at Old Dominion University. Yushim Kim is an Associate Professor at the School of Public Affairs, a Senior Sustainability Scholar at Julie Ann Wrigley Global Institute of Sustainability, and a Graduate Faculty in Complex Adaptive Systems Science at Arizona State University.