Robert A. McLeman is Professor of Geography and Environmental Studies at Wilfrid Laurier University in Waterloo, Canada. He has researched climate-related migration and displacement for more than two decades, advised many governments and international agencies on related issues, and served as coordinating lead author for the Sixth Assessment Report of the Intergovernmental Panel on Climate Change and has been a consultant for numerous multilateral and government agencies. A former Canadian diplomat, he wrote Climate and Human Migration: Past Experiences, Future Challenges (Cambridge University Press, 2014).