Susan Tirone is recently retired from her position as a Professor and the Undergraduate Program Associate Director in the College of Sustainability and the School of Health and Human Performance at Dalhousie University, Halifax Regional Municipality, Canada. Her research and teaching focussed on interdisciplinary approaches to understanding communities, social change, sustainability, and human leisure activities. Elizabeth A. Halpenny is an Associate Professor at the University of Alberta, Edmonton, Canada. She has research interests in tourism, marketing, environmental psychology, and protected-areas management. Prior to entering academia in 2005, she worked with the International Ecotourism Society as a Research and Workshop Coordinator.