Christian Enemark is a reader in the Department of International Politics at Aberystwyth University, and has previously held positions at the Australian National University and the University of Sydney. His books include Armed Drones and the Ethics of War: Military Virtue in a Post-Heroic Age (2014), Disease and Security: Natural Plagues and Biological Weapons in East Asia (2007), and (as co-editor) Ethics and Security Aspects of Infectious Disease Control: Interdisciplinary Perspectives (2012). His forthcoming book, Biosecurity Dilemmas, is in preparation for Georgetown University Press. cje10@aber.ac.uk

Stephen M. Gardiner is professor of philosophy and Ben Rabinowitz Endowed Professor of Human Dimensions of the Environment at the University of Washington, Seattle. His research focuses on global environmental problems (especially climate change), future generations, and virtue ethics. He is the author of A Perfect Moral Storm: The Ethical Tragedy of Climate Change (2011), the coordinating co-editor of Climate Ethics: Essential Readings (2010), and the editor of Virtue Ethics: Old and New (2005). His articles have appeared in such journals as Ethics, Journal of Political Philosophy, Oxford Studies in Ancient Philosophy, and Philosophy & Public Affairs. smgard@u.washington.edu

Clive Hamilton is a public intellectual and writer. He is the author of a number of best-selling books, including Growth Fetish (2004) and Affluenza (2014). He has written four books on climate change, most recently Earthmasters: The Dawn of the Age of Climate Engineering (2014) and Requiem for a Species: Why We Resist the Truth about Climate Change (2010). Hamilton was the founder and for fourteen years the executive director of the Australia Institute, the nation's leading progressive think tank. He is currently Professor of Public Ethics at Charles Sturt University in Canberra. He has held various visiting academic positions, including at Yale, Sciences Po, and Oxford. mail@clivehamilton.com

Sir Richard Jolly is Honorary Professor at the Institute of Development Studies, Sussex, and from 2000 to 2010 was senior research fellow and co-director of the UN Intellectual History Project at the Graduate Center, City University New York. Before this, Jolly was for nearly fifteen years an Assistant Secretary-General of the United Nations and Deputy Executive Director of UNICEF, and from 1996 to 2000 the Principal Coordinator of the widely-acclaimed UN Human Development Report. He has co-authored some twenty books and over 100 articles on development and on UN history, including UN Contributions to Development Thinking and Practice (2004); UN Ideas that Changed the World (with Louis Emmerij and Thomas G. Weiss, 2009); and, most recently, UNICEF: Global Governance that Works (2014). r.jolly@ids.ac.uk

Thomas E. Lovejoy is University Professor of Environmental Science at George Mason University and has worked on the interaction of climate change and biodiversity since the mid-1980s. He is now working on his third book on the subject, together with Lee Hannah of University of California Santa Barbara and Conservation International (the second book with Dr. Hannah). He is an ecologist and conservation biologist who coined the now ubiquitous term “biological diversity.” He served in advisory capacities in the Reagan, George H. W. Bush, and Clinton administrations. Most recently he chaired the Scientific Technical Advisory Panel for the Global Environment Facility. tlovejoy@unfoundation.org

Daniel Mittler is the Political Director of Greenpeace International. Based in Berlin, he leads a global team of specialists advising Greenpeace on political and corporate strategies. He has been an active advocate at the global climate negotiations for fifteen years and has led Greenpeace delegations to many global forums—from the World Trade Organization to the Group of 8. He writes mainly on NGO strategy, climate politics, and corporate accountability. His writings can be found at www.greendaniel.blogspot.com. dmittler@greenpeace.org

Mark Osiel holds the Aliber Family Chair at the University of Iowa, College of Law. His several books seek to show how we may improve the law's responses to mass atrocity by better understanding its organizational dynamics. His writings have inspired several conferences and are assigned at many leading universities throughout the world, in a number of fields. He occasionally advises foreign governments on their transitional justice strategies, and regularly speaks at the international criminal tribunals. mark-osiel@uiowa.edu

Clare Palmer is professor of philosophy at Texas A&M University. She was awarded a BA (Honors) and a D.Phil from Oxford University, and has held academic positions at universities in the United Kingdom, Australia, and the United States. She is the author of three books, most recently Animal Ethics in Context (2010), and is currently completing a co-authored book on ethics and companion animals. She held the position of President of the International Society for Environmental Ethics from 2007 to 2010, and serves on the editorial board of several journals, including Environmental Values, Agricultural and Environmental Ethics, and Environmental Humanities. c.palmer@tamu.edu

Scott Russell Sanders is the author of twenty books of fiction and nonfiction, including Hunting for Hope (1999), Earth Works (2012), and Divine Animal (2014). Among his honors are the Lannan Literary Award, the John Burroughs Essay Award, the Mark Twain Award, the Cecil Woods Award for Nonfiction, and fellowships from the Guggenheim Foundation and the National Endowment for the Arts. In 2012 he was elected to the American Academy of Arts and Sciences. He is a Distinguished Professor Emeritus of English at Indiana University. scott@scottrussellsanders.com

Paul Wapner is professor of global environmental politics in the School of International Service at American University. He is the author of Living through the End of Nature: The Future of American Environmentalism (2010) and Environmental Activism and World Civic Politics (1996). He is also co-editor (with Lester Ruiz) of Principled World Politics: The Challenge of Normative International Relations (2000) and (with Simon Nicholson) of Global Environmental Politics: From Person to Planet (2014). His most recent research project focuses on climate suffering. pwapner@american.edu