High Seas Treaty (BBNJ)

High Seas Treaty (BBNJ)
  • Context: As of June 2025, 49 countries have ratified the High Seas Treaty, just 11 short of the 60 needed for it to enter into force. 

  • Important Pointers: 

  • Full Name: Agreement on Conservation and Sustainable Use of Marine Biological Diversity of Areas Beyond National Jurisdiction (BBNJ), also called High Seas Treaty

  • Legal Framework: An international legal framework under UNCLOS to protect marine biodiversity in areas beyond national jurisdiction

  • Year of Adoption: Negotiated and adopted in 2023 to address ecological degradation of the high seas

  • Key Objectives: 

  • Marine Protection: Seeks to establish Marine Protected Areas (MPAs) to conserve ocean ecosystems

  • Equitable Benefit Sharing: Ensures fair distribution of benefits from marine genetic resources

  • Mandatory EIAs: Requires Environmental Impact Assessments (EIAs) for activities affecting high seas ecosystems, even if conducted within national waters

  • Support for Developing Nations: Promotes capacity building and transfer of marine technologies to developing countries

  • Ratification & Legal Status: 

  • Signatures and Ratifications (as of June 2025): Signed by 134 countries; ratified by 49. Becomes legally binding 120 days after 60 ratifications

  • Ratification vs Signing: Signing = initial consent; Ratification = legal commitment under domestic law. 

  • High Seas: 

  • Defined Under: The 1958 Geneva Convention on the High Seas

  • Geographical Scope: Areas beyond a country’s Exclusive Economic Zone (EEZ) – i.e., beyond 200 nautical miles from the coast. 

  • Jurisdiction: No single country has sovereign rights; international cooperation is essential for conservation and management