1. Department of Parks, Recreation and Tourism Management, NC State University, Raleigh, NC, US
2. Natural Learning Initiative, Department of Landscape Architecture, NC State University, Raleigh, NC, US
3. Department of Landscape Architecture, University of Illinois, Champaign, IL, US
4. Department of Landscape Architecture, University of Colorado-Denver, Denver, CO, US
5. The Big SandBox, Philadelphia, PA and Denver, CO, US
6. Agriculture and Natural Resources Policy Institute, University of California-Berkeley, Berkeley, CA, US
7. Institute on the Environment, University of Minnesota, St. Paul, MN, US
8. The Children & Nature Network, Minneapolis, MN, US