1. American Efficiency Services, Newport News, Virginia, VA, USA
2. Department of Natural Resources and Society, University of Idaho, Moscow, ID, USA
3. Environmental Protection, U.S. Federal Energy Regulatory Commission, Washington, DC, USA
4. Department of Community Sustainability, Michigan State University, East Lansing, MI, USA
5. School of Natural ResourcesUniversity of Tennessee, Knoxville, TN, USA
6. Department of Parks, Recreation, and Tourism Management, Clemson University, Clemson, SC, USA