On June 19, 2023, the Intergovernmental Conference on an international legally binding instrument under the United Nations Convention on the Law of the Sea on the conservation and sustainable use of marine biological diversity of areas beyond national jurisdiction (BBNJ Intergovernmental Conference) adopted, by consensus, the Agreement under the United Nations Convention on the Law of the Sea on the Conservation and Sustainable Use of Marine BioLogical Diversity of Areas Beyond National Jurisdiction (BBNJ Agreement or Agreement). The Agreement, which is grounded in and builds on the UN Convention on the Law of the Sea (UNCLOS), specifically addresses issues relating to the conservation and sustainable use of the marine biodiversity of the high seas. The adoption of the Agreement was the culmination of nearly two decades of work under the auspices of the UN General Assembly.