Durwood Zaelke is founder and President of the Institute for Governance & Sustainable Development in Washington, DC and Paris, focusing on fast mitigation strategies that avoid maximum warming over the next decade to slow climate feedbacks and avoid tipping points. Prior to IGSD, Zaelke co-founded and served as President of the Center for International Environmental Law in Washington, DC and Geneva (1989-2003), and co-founded the Program on Governance for Sustainable Development at the Bren School of Environmental Science & Management, UC Santa Barbara. Zaelke is the author of International Environmental Law & Policy (with Hunter & Salzman) (6th ed. 2021).