Richard P. Tucker is Adjunct Professor in the School of Environment and Sustainability at the University of Michigan. He is the author of Insatiable Appetite: The United States and the Ecological Degradation of the Tropical World (2000) and numerous publications on the environmental history of warfare. Tait Keller is an Associate Professor of History and former Director of the Environmental Studies and Sciences Program at Rhodes College. His publications include Apostles of the Alps (2016) and articles in journals such as Annales and Environmental History. He is a Fellow with the American Council of Learned Societies and the Woodrow Wilson International Center for Scholars. J. R. McNeill is Professor of History and University Professor at Georgetown University and author of prize-winning books such as Mosquito Empires (Cambridge, 2010) and Something New under the Sun (2000). He is a member of the American Academy of Arts and Sciences, and served as President of the American Society for Environmental History (2011–13) and of the American Historical Association (2019). Martin Schmid is Associate Professor for Environmental History and Deputy Director (2016–17) at the Institute of Social Ecology of Alpen-Adria Universität Klagenfurt in Vienna. He is founding member of the Center for Environmental History (ZUG), and served as its director in 2010–11. He was a 2011 Fellow of the Rachel Carson Center for Environment and Society in Munich.