Eugene A. Rosa (1941-2013) was the Edward R. Meyer Distinguished Professor of Natural Resource and Environmental Policy, Professor of Sociology, Affiliated Professor of Fine Arts, and Faculty Associate in the Center for Environmental Research, Education, and Outreach at Washington State University. Ortwin Renn is Professor and Chair of Environmental Sociology and Technology Assessment at Stuttgart University (Germany). He directs the Stuttgart Research Center for Interdisciplinary Risk and Innovation Studies at Stuttgart University (ZIRIUS) and the non-profit organization DIALOGIK, dedicated to facilitate the dialogue between science, technology, and society. Aaron M. McCright is Associate Professor of Sociology in Lyman Briggs College, the Department of Sociology, and the Environmental Science and Policy Program at Michigan State University.