1. School of Geography, Development & Environment, University of Arizona, 1064 E. Lowell St., Tucson, AZ 85721, USA
2. Udall Center for Studies in Public Policy, University of Arizona, 803 E. First St., Tucson, AZ 85719, USA
3. School of Transborder Studies, Arizona State University, 1120 Cady Mall, Tempe, AZ 85281, USA
4. Department of Population Studies, El Colegio de la Frontera Norte, Sede Nogales, Reforma esq. con Blvd. Luis Donaldo Colosio Del Rosario, Nogales 84020, Sonora, Mexico
5. Fay Jones School of Architecture and Design, University of Arkansas, 120 Vol Walker Hall, Fayetteville, AR 72701, USA
6. Arizona Department of Environmental Quality, 1110 W. Washington St., Phoenix, AZ 85007, USA
7. School of Landscape Architecture, University of Arizona, 1040 N. Olive Rd., Tucson, AZ 85719, USA
8. Department of Political Science, Washington University in St. Louis, 1 Brookings Dr, St. Louis, MO 63130, USA