The world’s new agreement on biodiversity beyond national jurisdiction is in force. Its first governing meeting is set for January 2027. The test now is whether global decisions can work alongside the institutions that already govern activity at sea.

By Frank Farnel | Responsible Public Affairs | November 4, 2026

Executive Summary

The Biodiversity Beyond National Jurisdiction Agreement, commonly called the High Seas Treaty, entered into force on January 17, 2026. Its first Conference of the Parties is scheduled for January 11–22, 2027. The agreement creates a framework for marine protected areas, environmental impact assessments, marine genetic resources, and assistance to countries developing their scientific and technical capacity. It does not, by entering into force, automatically protect a particular stretch of ocean. un.org

The political challenge is coordination. The new conference must respect the competence of existing bodies, including organizations that regulate particular maritime activities. A protected area proposed on scientific grounds will still need a credible management plan, consultation, monitoring, and a clear account of what other institutions must do. The experience of Antarctic marine protection shows both that states can reach an ambitious agreement and that consensus can leave other proposals unresolved. Lovdata

For executives, policymakers, researchers, and international practitioners, this is a practical question: who has the authority to decide, who must carry out the decision, and how will anyone know whether it works?

An agreement is a beginning, not an ocean patrol

Seen from shore, the high seas can appear to be empty space. In practice, they are crossed by vessels, studied by researchers, used for fishing, and affected by decisions taken far away. Responsibility is distributed among states and international organizations with different mandates.

The new agreement addresses that fragmentation. Its scope covers areas beyond national jurisdiction and four connected subjects: marine genetic resources and benefit sharing; area-based management tools, including marine protected areas; environmental impact assessments; and capacity-building and marine technology transfer. The European Commission describes those areas as covering nearly two-thirds of the world’s ocean. EUR-Lex

The treaty’s entry into force is therefore a legal milestone. It is not evidence that a new protected area has already been designated under it, or that every activity in a future protected area will be prohibited. Those questions require subsequent decisions and implementation.

This distinction matters well beyond environmental diplomacy. A government may support an ambitious protection target while also carrying responsibilities for fisheries, shipping, research, or development. A company may encounter requirements through a state’s domestic law even when its operations are far from that state’s coast. A scientific institution may have to document the collection and use of marine genetic resources. The details of these obligations depend on the treaty, decisions made under it, and applicable national measures. The United Kingdom’s published stakeholder guidance already identifies researchers, vessel operators, repositories, and users of genetic resources among those who may need to examine the new requirements. GOV.UK

The framework: four links in the chain of authority

A useful way to assess the treaty’s prospects is to follow a proposed measure through four links.

First, designation. What ecological problem is being addressed, where is it located, and what evidence supports a proposed protected area or other measure? The treaty provides a process for proposals, consultation, scientific consideration, and decisions. A boundary on a map is only one part of that work. un.org

Second, coordination. Which existing body has authority over the activity that creates the pressure? The treaty directs its Conference of the Parties to respect the competence of, and avoid undermining, relevant legal frameworks and organizations. That safeguard is necessary, but it does not remove the need for sustained cooperation between institutions. Lovdata

Third, implementation. Who will apply the agreed measure through laws, permits, operating rules, or other instruments? The UK’s 2026 legislation and subsequent guidance illustrate how treaty obligations begin to acquire domestic form. The exact route will differ among parties. legislation.gov.uk

Fourth, verification. What monitoring will show whether activities have changed and biodiversity outcomes are improving? Compliance with a rule and recovery of an ecosystem are different measures of success. The latter may take years to establish and may be complicated by climate change and other pressures.

This framework is an analytical tool, not a claim that the treaty has already settled every institutional relationship. It helps expose the gap that can open between a diplomatic announcement and an effective result at sea.

Three lessons from implementation

1. The United Kingdom: ratification becomes operational detail

The United Kingdom deposited its instrument of ratification on July 10, 2026; the agreement entered into force for the UK on August 9. Its Biodiversity Beyond National Jurisdiction Act 2026 and published guidance explain how some obligations apply to UK-connected activity, including aspects of marine genetic resources and environmental impact assessment. The guidance also acknowledges that future decisions by the Conference of the Parties may require changes to domestic arrangements. GOV.UK

This is a constructive example of moving from signature to administrative practice. It also reveals a limit: national guidance can clarify what is known now, but it cannot prejudge rules that governments have yet to agree internationally. Practitioners should treat the present guidance as a starting point and track how it develops.

2. The European Union: procedure is part of geopolitical influence

The EU approved the agreement in May 2025. In a proposal concerning its position at the preparatory commission and first Conference of the Parties, the European Commission identified rules of procedure, financial rules, and the treaty’s financial mechanism as matters with legal and practical consequences. Its proposal explains that procedural rules will shape participation and decision-making, while financial arrangements will affect the functioning of the conference, secretariat, and subsidiary bodies. The document is a Commission proposal, not proof that the conference has already adopted those rules. EUR-Lex

The lesson is familiar to anyone who has negotiated in a multilateral setting. Substantive ambition depends on institutional design. Who can put an item on an agenda, how scientific advice is handled, how developing states participate, and how a decision is funded may determine whether a formally available power can be used.

3. Antarctica: agreement is possible, but it can be difficult to repeat

The Commission for the Conservation of Antarctic Marine Living Resources, or CCAMLR, agreed to a marine protected area in the Ross Sea region in 2016. It came into force on December 1, 2017. The area has zones with different rules; fishing is prohibited in much of it, with specified exceptions. Its conservation measure provides for a review and a defined period of designation, rather than permanent protection without further decision. CCAMLR

That agreement demonstrates that scientific work and diplomacy can produce a large international protected area. It also cautions against treating one achievement as a repeatable formula. CCAMLR has continued to consider other proposed areas, including East Antarctica and the Weddell Sea, without the Ross Sea decision resolving their political and institutional difficulties. The new high seas treaty has its own decision rules and does not simply replace CCAMLR. Antarctica is a comparison that illuminates the problem of reaching and sustaining agreement, not a prediction of how the new conference will vote. CCAMLR

What the first conference can—and cannot—prove

The January 2027 meeting is expected to establish essential working arrangements. The UN preparatory process has addressed matters such as procedure, finance, cooperation with other bodies, and the institutions needed to operate the agreement. The meeting’s scheduled dates are established; its decisions are not yet known. un.org

A successful first conference would be consequential even if it designated no protected area. It could give parties a functioning process through which proposals can be assessed, contested, improved, and eventually implemented. Conversely, impressive language without workable financing, scientific capacity, or coordination would leave much of the treaty’s promise on paper. Those are analytical judgments about institutional performance, not reported outcomes.

The treaty provides a fallback voting route for certain area-based decisions if consensus cannot be reached, subject to specified thresholds and procedural conditions. That feature may prevent a single objection from indefinitely stopping every decision within its scope. It does not make cooperation with other competent bodies optional, nor does a vote itself supply the vessels, data, national measures, and monitoring needed to give a decision effect. Lovdata

Why senior leaders should pay attention

Ocean governance is often presented as a specialist environmental issue. It is also a test of how international rules are translated into operating decisions. Research organizations, biotechnology firms, shipping interests, fishing businesses, insurers, and governments have different exposures, but all have reason to distinguish a treaty obligation from a proposal, a conference decision, and a national implementing rule.

For boards and executives, the immediate task is to identify whether activities, data, research partnerships, or supply chains touch areas beyond national jurisdiction—and which state or institution governs them. For policymakers, the first conference will show whether states can build procedures that are both legitimate and usable. For public-affairs leaders, the essential discipline is precision: identify the decision-maker for each part of a problem instead of addressing every concern to “the UN” as if it were a single regulator.

Conclusion

The High Seas Treaty has crossed a threshold that years of negotiation sought to reach. Its governing system is still being built. The measure of success will not be the number of declarations issued in New York next January. It will be whether states can turn sound science into decisions, connect those decisions to existing maritime authorities, and establish evidence that protection is real.

The ocean does not observe institutional boundaries. The people responsible for governing it must learn to work across them.

Key Evidence

January 17, 2026: The BBNJ Agreement entered into force. United Nations.
January 11–22, 2027: The first Conference of the Parties is scheduled in New York. United Nations.
July 10 and August 9, 2026: The UK ratified the agreement; it subsequently entered into force for the UK. UK government.
2016 and December 1, 2017: CCAMLR agreed to the Ross Sea region marine protected area; it then entered into force. CCAMLR.

References and Further Reading

1. United Nations, “BBNJ Agreement,” treaty portal, consulted November 4, 2026.
2. United Nations, Text of the BBNJ Agreement, adopted June 19, 2023.
3. United Nations, “Conference of the Parties: Background,” consulted November 4, 2026.
4. United Nations, “Preparatory Commission: Background,” consulted November 4, 2026.
5. European Commission, Proposal for a Council Decision on the Union’s Position in the Preparatory Commission and First Conference of the Parties, COM(2025) 719 final, November 21, 2025.
6. UK Foreign, Commonwealth & Development Office, “World’s Ocean to Be Better Protected as UK Ratifies Landmark Treaty,” July 10, 2026.
7. UK Government, “Biodiversity Beyond National Jurisdiction: Guidance for UK Stakeholders,” 2026.
8. UK Government, Biodiversity Beyond National Jurisdiction Act 2026: Explanatory Notes, 2026.
9. CCAMLR, “Marine Protected Areas,” consulted November 4, 2026.
10. CCAMLR, Conservation Measure 91-05: Ross Sea Region Marine Protected Area, 2016.

Methodology

Research cut-off: November 4, 2026. This article uses the treaty text, UN meeting information, an EU institutional proposal, UK legislation and guidance, and CCAMLR’s account and conservation measure. Scheduled meetings are described as future events, and proposed institutional positions are not treated as adopted decisions. The Antarctic example is comparative; CCAMLR and the new treaty have distinct mandates and procedures. No claim is made that the treaty has already produced a new protected area or measurable biodiversity recovery.

Suggested Internal Links

• The Strategic Asset Is Not the Cable. It Is the Ability to Repair It. — on the operational side of maritime resilience.
• From Agenda to Implementation: A Policy Framework — on the distance between agreement and execution.

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