1. Department of Agricultural Economics, Sociology, and Education, Pennsylvania State University, University Park, PA, USA;
2. Environmental Studies Program, Bates College, Lewiston, ME, USA;
3. Department of Sociology and Rural Studies, South Dakota State University, Brookings, SD, USA;
4. Department of Sociology, Social Work, and Criminology, Idaho State University, Pocatello, ID, USA;
5. Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, USA;
6. Department of Sociology, Iowa State University, Ames, IA, USA;
7. Department of Environmental Affairs and Sociology, Colorado State University, Fort Collins, CO, USA