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Deep Sea Loot Box: UN Treaty Attempts to Regulate Polymetallic Nodule Mining in International Waters

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Mission Brief (TL;DR)

The International Seabed Authority (ISA), a UN body, is struggling to finalize regulations for deep-sea mining of polymetallic nodules in international waters. Several nations and corporations are eager to exploit these resources, essential for battery production. The delay in regulations has created a legal gray area, potentially leading to unregulated exploitation and environmental damage. The Kingdom of Nauru triggered a "two-year rule" in 2023, obligating the ISA to finalize regulations by July 2025 or consider applications under existing rules. Here we are in January 2026, and consensus remains elusive.

Patch Notes

The ISA's primary mandate is to regulate mining activities in the seabed beyond national jurisdiction, ensuring the protection of the marine environment. Polymetallic nodules, rich in nickel, cobalt, copper, and manganese, are scattered across the ocean floor. These metals are critical for electric vehicle batteries and other green technologies. Several entities, sponsored by countries like Nauru, Tonga, and Kiribati, have exploration licenses. The Metals Company (TMC), a prominent player, is pushing to begin exploitation.

The "two-year rule" was invoked by Nauru, sponsored by TMC, when it notified the ISA of its intention to apply for an exploitation license within two years. This forced the ISA to accelerate its regulatory efforts, but disagreements persist among member states. Concerns revolve around environmental impact assessments, revenue sharing, and the overall sustainability of deep-sea mining. Some nations advocate for a moratorium until more is known about the potential ecological consequences, while others prioritize accessing these resources to fuel the energy transition. The lack of clear regulations creates an uneven playing field, potentially favoring companies willing to take environmental risks for short-term gains. Disputes also exist around the distribution of royalties and benefits derived from mining activities. Developing nations argue for a larger share, while developed nations and corporations seek to maximize their returns on investment.

The Meta

The failure to finalize deep-sea mining regulations has several potential implications. Firstly, it increases the risk of unregulated exploitation, leading to irreversible damage to deep-sea ecosystems, which are poorly understood and slow to recover. Secondly, it creates geopolitical tensions as nations compete for access to these valuable resources. China, for instance, has been investing heavily in deep-sea exploration and technology, positioning itself as a major player in this arena. The absence of a clear regulatory framework could lead to a “gold rush” scenario, with nations and corporations rushing to stake their claims before rules are established. This could undermine the ISA's authority and create a free-for-all environment. In the short term (6-12 months), expect continued lobbying and diplomatic maneuvering as stakeholders attempt to influence the ISA's decisions. TMC and its sponsoring nations will likely continue pushing for exploitation licenses under existing rules, while environmental groups and concerned nations will advocate for a moratorium or stricter regulations. The legal battles could ensue, further delaying any mining activity and creating uncertainty in the market for battery metals. This benefits land-based mining operations that can demonstrate better sustainability practices. Over the longer term, the deep-sea mining issue will likely become intertwined with broader debates about climate change, resource scarcity, and international governance.

Sources

  • International Seabed Authority. (2023). Press Release: Council Concludes Part I of its 28th Session.
  • United Nations. (1982). United Nations Convention on the Law of the Sea.