Alberto Costi is a Professor of Law at Te Herenga Waka—Victoria University of Wellington. He has published widely in public international law, including use of force, the law of armed conflict, transitional justice and human rights, and in international environmental law, including environmental justice, climate migration, and climate change. He has published over eighty books, book chapters and journal articles, spoken at numerous international conferences, and commented widely in the media and before parliamentary committees in these areas. Recent publications include the editorship of the first ever textbook on international law from a New Zealand perspective (Public International Law: A New Zealand Perspective (LexisNexis, 2020)) as well as the joint editorship of “In the Eye of the Storm” – Reflections from the Second Pacific Climate Change Conference (SPREP, VUW and NZACL, 2020). Alberto serves on the editorial board of ten journals, including Environmental Policy and Governance, the New Zealand Journal of Public and International Law and the Revue Québécoise de Droit International. He is the President of the New Zealand Association for Comparative Law, Co-Director of the New Zealand Centre of International Economic Law and Secretary-General of the International Law Association New Zealand Branch, and sits on the New Zealand International Humanitarian Law Committee.