Strengthening high seas governance through enhanced environmental assessment processes: A case study of mesopelagic fisheries and options for a future BBNJ treaty

This report explores the challenges of addressing emerging activities in areas beyond national jurisdiction (ABNJ) through a case study – a hypothetical proposal to develop commercial fisheries in the mesopelagic zone. The case study considers how such a proposal might be addressed by existing global and regional bodies and processes and the potential future role of the BBNJ Agreement.