Emeritus Professor of Geography and Environmental Studies, University of Adelaide

Research Chair Professor/Advisor, Department of Science and Environemntal Studies

Staff Scientist - Smithsonian Tropical Research Institute

Wildlife Conservation Society

Professor of Coastal Studies, Ulster University

George M. Woodwell Distinguished Professor of Environmental Economics

Professor Associado Universidade do Algarve

Principal Research Scientist James Cook University

Professor of Anthropology and Marine Science, Rhodes University

Lincoln University