Daniel Bodansky is a Foundation Professor at the Sandra Day O'Conner College of Law and Senior Sustainability Scholar at the Julie Ann Wrigley Global Institute of Sustainability at Arizona State University. Bodansky is an expert on international environmental law. He has worked extensively on the international climate change negotiations, including as a senior negotiator in the US Department of State and as a consultant to the UN climate change secretariat and the Center for Climate and Energy Solutions. He co-edited the Oxford Handbook of International Environmental Law, and is the author of the Art and Craft of International Environmental Law, which was awarded the 2011 Harold and Margaret Sprout Award from the International Studies Association as the best book published that year in the field of international environmental politics. Jutta Brunnée is a Professor of Law and Metcalf Chair in Environmental Law at the Faculty of Law, University of Toronto. Writing in the areas of public international law and international environmental law, she is co-author of Legitimacy and Legality in International Law: An Interactional Account, which was awarded the American Society of International Laws 2011 Certificate of Merit for preeminent contribution to creative scholarship. She is co-editor of the Oxford Handbook of International Environmental Law, Promoting Compliance in the Emerging Climate Regime, Implementation of International Environmental Law, and Climate Change Liability: Transnational Law and Practice. As Scholar-in-Residence in the Legal Bureau of the Canadian Department of Foreign Affairs and International Trade, Brunnée advised, inter alia, on matters under the Biodiversity and Climate Change Conventions. She was elected Fellow of the Royal Society of Canada in 2013. Lavanya Rajamani is a Professor of International Environmental Law, Faculty of Law, University of Oxford, and Yamani Fellow in Public International Law, St Peter's College, Oxford. She was previously Professor at the Centre for Policy Research, New Delhi. Rajamani specializes in international climate change law, and has worked extensively on the international climate change negotiations. Among other roles, she has served as a consultant to the FCCC Secretariat, as a negotiator for the Alliance of Small Island States, and as a legal adviser to the Chairs of Ad Hoc Working Groups under the FCCC. She was part of the FCCC core drafting and advisory team at the Paris negotiations. She is author of Differential Treatment in International Environmental Law, and co-editor of Promoting Compliance in the Emerging Climate Regime, Implementation of International Environmental Law.