When delegates convened in Hobart this October for the 44th Meeting of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR), expectations were high. Many hoped that years of negotiation would finally deliver breakthroughs on long-awaited marine protected areas (MPAs)—the Weddell Sea MPA (championed by the EU and Norway), the East Antarctic MPA (advanced by Australia, the EU, and Norway), and the Antarctic Peninsula MPA (jointly proposed by Chile and Argentina)—as well as on enhanced krill-management measures. Yet the meeting concluded without substantive agreements.

Divergent national priorities, procedural rigidity, and persistent geopolitical undercurrents once again stalled long-debated conservation proposals. What was anticipated to signal renewed momentum in Antarctic environmental leadership instead exposed the institutional fatigue and political fragility underlying today’s global ocean governance.

For over four decades, the Antarctic Treaty System (ATS) has stood as a model of cooperative restraint, a regime where sovereignty disputes are frozen, militarization is prohibited, and science serves as the foundation of decision-making. But the Hobart deadlock shows that even this exemplar of consensus diplomacy is straining under contemporary pressures. The 2025 CCAMLR session laid bare the new collision between science, economics, and geopolitics in governing the planet’s last great commons.

The Consensus Paradox

The ATS and CCAMLR were built on the ideal of consensus, intended as a safeguard against domination by powerful states. In practice, however, unanimity has increasingly functioned as a veto mechanism. At the 2025 meeting, none of the three pending MPA proposals advanced, and efforts to strengthen krill-fishery regulation or protect vulnerable marine ecosystems likewise stalled.

This paralysis is not unique to the Antarctic. A similar pattern is visible at the International Seabed Authority (ISA), where negotiations over a deep-sea “Mining Code” remain deadlocked, exposing the tension between exploitation and environmental protection. Even the newly entered-into-force UN Agreement on Biodiversity Beyond National Jurisdiction (BBNJ), hailed as a landmark for global ocean governance after surpassing sixty ratifications in 2025, now faces its own challenge: translating ambitious commitments into effective, science-based implementation among a diverse group of states.

What once served as a foundation for inclusive governance has, in many institutions, evolved into a procedural rigidity that limits timely and evidence-based decision-making.

Science vs. Sovereignty

The Scientific Committee of the Commission for the CCAMLR has presented compelling evidence that rapid warming and shrinking sea-ice are destabilizing key Southern Ocean ecosystems. Krill, the cornerstone of Antarctic food webs, are shifting southwards, disrupting penguin and whale populations and altering predator–prey dynamics. Yet when science collides with politics, data often take a back seat.

Several fishing nations, including major krill-harvesting states such as Norway, China, and South Korea, have emphasized the growing economic importance of krill for aquaculture feed and omega-3 pharmaceuticals, arguing that existing controls are adequate for sustainability (Oceanographic Magazine). Conservation groups, including the Antarctic and Southern Ocean Coalition (ASOC) and the World Wide Fund for Nature (WWF), counter that precaution must prevail until the ecological effects of climate change are better understood. ASOC has cautioned that the combination of rapid environmental change and expanding industrial krill fishing is increasingly straining the limits of ecosystem-based management.

Their message is clear: the pace of environmental transformation in Antarctica is outstripping the capacity of the existing institutional regime to respond. Without a renewed balance between scientific evidence and political will, even the world’s most sophisticated conservation regime risks falling behind the very ecosystems it was created to protect.

Although the 2025 CCAMLR meeting ultimately failed to secure consensus on MPAs or enhanced krill-fishery regulations, delegates did agree to several incremental but meaningful measures. One standout outcome was the adoption of new rules on transshipment: members committed to maintaining a publicly accessible list of all vessels operating in the Southern Ocean. This procedural advance, though less dramatic than an MPA breakthrough, demonstrates that even amid deep national divisions, the Antarctic governance system can still make progress on transparency and compliance.

Geopolitics Returns to the Ice

The impasse in Hobart also reflected a broader geopolitical division within CCAMLR. Delegations from Russia and China, both major krill-harvesting nations, reiterated longstanding objections to new MPAs on the ground that that proposals lacked sufficient scientific justification and risked impairing access to marine resources.  Meanwhile, countries including European Union member-states, New Zealand and Australia advanced more robust conservation measures, linking ecosystem protection to long-term fishing sustainability. 

Rather than indicating a breakdown in cooperation, the stalemate highlights how Antarctic decision-making is now being influenced by global strategic and economic currents. As geopolitical competition intensifies elsewhere, the Antarctic’s long-standing cooperative traditions are subject to greater strategic scrutiny, underscoring that even this region is not entirely insulated from shifting global dynamics.

Climate Change and the Institutional Lag

Climate change is reshaping the Southern Ocean faster than governance can respond. The Madrid Protocol on Environmental Protection (1991) was visionary in declaring Antarctica a “natural reserve devoted to peace and science,” yet its architects did not foresee the accelerating loss of sea ice, shifting krill populations, or cascading ecosystem effects now documented by CCAMLR scientists.

At the 2025 CCAMLR meeting, the Scientific Committee presented compelling evidence of these transformations, urging members to integrate climate adaptation into fisheries management and conservation planning. Several delegations, including the European Union, New Zealand, and Australia, supported proposals to formalize climate considerations within CCAMLR’s decision-making structure. However, consensus could not be reached, leaving what environmental observers called a widening “governance gap” between scientific urgency and political will.

This gap reflects a deeper institutional lag within the ATS, which still lacks an integrated framework for climate adaptation, carbon accounting, or resilience planning. The issue is gaining new urgency as the world approaches 2048–the year when the Madrid Protocol, including its ban on mineral resource activities, becomes open for review after fifty years. Without demonstrable progress in climate-responsive governance, that review could reignite debates over resource use in a rapidly warming Antarctic, placing additional strain on the continent’s long-standing conservation paradigm.

The stalemate also undermines broader global targets such as the “30 × 30” initiative to protect 30 percent of the ocean by 2030. If Antarctica, often regarded as the most protected region on Earth, cannot meet that benchmark, it raises doubts about the international community’s ability to safeguard marine ecosystems elsewhere, from the high seas to the deep seabed.

Lessons from Hobart and the Future of Ocean Governance

The outcome of the 2025 CCAMLR meeting offers lessons that extend well beyond Antarctica. First, multilateralism requires procedural renewal. Consensus should not equate to paralysis, and as the BBNJ Agreement moves toward implementation, states must explore decision-making thresholds that preserve minority protections without enabling single-state vetoes.

Second, science must reclaim its central place in decision-making. Independent scientific panels, transparent data-sharing systems, and joint ecosystem-monitoring mechanisms are essential tools for depoliticizing conservation. The Arctic Council’s agreement on scientific cooperation demonstrates what is possible when states commit to evidence-driven governance.

Third, legitimacy is fundamental to durable conservation. When negotiations appear opaque or largely shaped by commercial interests, public trust erodes. Broader participation—from observers, NGOs, and indigenous representatives—and mandatory publication of meeting records would strengthen transparency and accountability across polar and ocean governance institutions.

Viewed in this broader context, the 2025 CCAMLR session is not simply a setback but a stress test for global commons governance. It reveals a deeper challenge: institutions founded in the late twentieth century are increasingly ill-equipped for twenty-first-century realities of climate urgency, technological acceleration, and renewed geopolitical rivalry.

Antarctica remains a symbol of what international cooperation can achieve. Yet a symbol alone is no longer enough. As governments prepare for the 2026 CCAMLR session, the task is not only to protect krill, penguins, or marine ecosystems, but to demonstrate that collective governance remains viable in an age of fragmentation. The future of ocean stewardship—from the deep seabed to the polar regions—may depend on whether the international community can rediscover, in Hobart, what it found in 1959: the commitment to place science, peace, and shared responsibility above short-term gain.

This issue’s Flagship Analysis was written by Nong Hong, Executive Director at ICAS.