Deep-sea mining proposals are creating sharp divisions within the Pacific Islands Forum. At the center of the dispute lies a fundamental question of international maritime law: who controls mineral extraction in the seabed beyond national jurisdiction?
The Clarion-Clipperton Zone, an abyssal plain in the central Pacific, contains extensive deposits of polymetallic nodules rich in nickel, cobalt, copper and manganese—minerals essential for electric vehicle batteries and renewable energy systems. These resources have sparked competing national interests and regulatory debates.
Nauru, the Cook Islands, and Kiribati have become exploration sponsors with the International Seabed Authority (ISA), signaling openness to commercial mining development. Conversely, Palau, Fiji, Samoa and Vanuatu form a coalition supporting a precautionary moratorium until comprehensive environmental studies are completed.
Australia’s position remains diplomatically nuanced. While establishing a A$1.2 billion domestic critical minerals strategic reserve, Australia has not announced a formal national stance on deep-seabed mining, apparently seeking to balance economic interests with regional relationships.
The legal conflict centers on UNCLOS (United Nations Convention on the Law of the Sea). Under ISA authority, commercial seabed mining cannot proceed until a comprehensive Mining Code is adopted. However, negotiations have stalled, creating pressure for expedited approvals. The ISA explicitly states that negotiations continue and that the expiration of provisional periods does not grant automatic rights to unilateral exploitation.
Deep-sea ecosystems remain poorly understood. Species recovery cycles span decades or longer, and environmental baselines are incomplete. The ISA’s regulatory framework is designed to be science-based, yet implementing comprehensive protections remains a challenge.
As demand for renewable energy minerals grows, Pacific nations face difficult choices between short-term economic opportunities and long-term ocean health. Resolution will likely require strengthened international agreements and verified environmental safeguards before commercial mining begins.