Knudson Chair in Forestry Education. He also serves as director of the Natural Resources, Tourism, and Recreation (NATURE) Studies Lab. He is the editor of the journal Human Dimensions of Wildlife. His research interests include the human dimensions of natural resources, recreation, tourism, and wildlife; the social psychology of natural resource issues, marine and terrestrial parks and protected areas; ski area management, norms, and standards of quality; and carrying capacity and crowding.