Professor Klaus Bosselmann, PhD, is an internationally renowned scholar of environmental law who has significantly contributed to the discourse on environmental ethics, policy, law, and governance at national and international levels. The impact of his work on ecological legal theory, rights of nature, ecological integrity, eco-constitutionalism, the Earth Charter, and legal developments in Germany and New Zealand are widely acknowledged. This is also visible in award-winning books such as Im Namen der Natur (1992), When Two Worlds Collide (1994), The Principle of Sustainability (2008/2017), National Strategies for Sustainability (2014), and Earth Governance (2015). Professor Bosselmann is the founding director of the New Zealand Centre for Environmental Law at the University of Auckland, Chair of the Ecological Law and Governance Association, Chair of the Earth Trusteeship Initiative, Co-Chair of the Global Ecological Integrity Group, Expert Member of the UN Harmony with Nature Dialogue and legal advisor to the UN High-Level Advisory Board on Effective Multilateralism. His global awards include the Inaugural Senior Scholarship Prize of the IUCN Academy of Environmental Law and the Carlowitz Sustainability Award 2021.