How tensions at MOP8 exposed the fragile line between political influence and independent environmental accountability
Kata Dozsa, PhD., ERC Research Project Curiae Virides, Brussels School of Governance (Vrije Universiteit Brussel).
Widely recognised as a flagship framework for environmental democracy, the Aarhus Convention (United Nations Economic Commission for Europe (UNECEonvention on Access to Information, Public Participation in Decision-making and Access to Justice in Environmental Matters, 1998) links environmental protection to both human rights and intergenerational equity, recognising the right of present and future generations to live in an environment adequate to their well-being (Article 1). Building on this foundation, the Convention operationalises environmental human rights principles with binding procedural guarantees of democratic governance: access to environmental information, public participation in decision-making, and access to justice. Although the Convention is regional in scope, it has influenced developments beyond Europe, most notably the 2018 Escazú Agreement in Latin America and the Caribbean, which reflects similar principles of access rights and public participation.
What makes Aarhus a model treaty, however, is not only this catalogue of rights, but the institutional system that ensures they are monitored and enforced. At its core are two complementary bodies: the Aarhus Convention Compliance Committee (ACCC), an expert body established as a “non-confrontational, non-judicial and consultative” mechanism (Article 15); and the Meeting of the Parties (MOP), the political body responsible for overseeing implementation (the Convention counts 48 Parties currently). A distinctive feature of the Convention is that it grants procedural standing to members of the public – defined as natural or legal persons and their associations (Article 2(4)) – who may submit communications to the ACCC to undergo a review process. The Committee’s findings, once endorsed by the MOP, carry authoritative interpretive weight. NGOs may participate in the Meeting of the Parties (MOP) as observer organisations. Through this structure, the Convention does not merely encourage better governance, but it institutionalises the public as an active rights-holder and accountability actor in environmental matters. The ACCC and the MOP form together a division of roles that has protected the Convention’s credibility by grounding legal assessment in expertise, while leaving political follow-up to the Parties.
This compliance architecture has continued to evolve with the creation of the first rapid response mechanism to protect environmental defenders (2021) and the appointment of a Special Rapporteur on Environmental Defenders (2022). It was precisely the carefully built Aarhus institutional system – combining intergenerational commitment, procedural rights, legal independence, political oversight, and public access to accountability – that came under unexpected strain at MOP8, raising concerns about how resilient the Aarhus model remains when political pressure intensifies.
2025 MOP8: a real stress-test?
Under the Convention, the MOP oversees implementation, adopts work programmes and budgets, appoints mandate-holders, and acts on ACCC findings – in other words, it finalises the so-called draft decisions. This hybrid accountability model depends on procedural stability, serves to keep the Convention effective and ensure that environmental rights are implemented and upheld by its Parties. At the MOP8, Parties adopted more than 30 decisions, including 21 compliance decisions. However, the MOP8 also revealed conflicts over how compliance findings are handled and how independence norms are jeopardised as the debate went to the Convention’s core design: if endorsement becomes politicised, Aarhus risks losing the attribute that made it a model of environmental democracy with its credible, independent accountability system.
Observers from NGOs and EU bodies participating at the Eighth Meeting of the Parties (MOP8) which took place in Geneva in November 2025 reported that the carefully balanced architecture of the Aarhus accountability mechanism faced an unusual stress test at the MOP8, revealing a growing pressure for procedural flexibility in handling compliance outcomes. The meeting addressed three main areas: 1. compliance cases, 2. the rapid response mechanism for environmental defenders, and 3. institutional appointments and resources. Significantly, the MOP8 took place within a broader institutional context in which the Aarhus system is now operating under severe financial strain. Proposed cuts of 15–20% to the UN regular budget, including reductions in Secretariat staffing. These budgetary decisions (with the Trump administration arrears cited as a major factor) directly affect UNECE bodies that support the Aarhus Convention and can quietly undermine the Aarhus accountability system by slowing down the ACCC’s work as well as weakening mechanisms such as the Rapid Response system for environmental defenders.
NGOs – such as Friends of the Earth, European Environmental Bureau (EEB) or the Environmental Law Foundation (ELF) – described the meeting as unusually fraught. Debates over whether and how to endorse certain findings and disputes around institutional independence strained established procedural norms. Several state actions intensified tensions. For example, the United Kingdom refused to endorse findings and postponed to conclude cases concerning access to justice and public participation under the Brexit. This move could have set a precedent for cherry-picking compliance outcomes. Observers from The Global Network for Human Rights and the Environment (GNHRE) framed the controversy as a risk of “dimming accountability”: if Parties can block or delay endorsement when findings are politically inconvenient, the compliance system starts to resemble ordinary diplomacy rather than rule-guided review. For many participants, the issue was not a single controversial move but a broader pattern: powerful state parties seeking to manage politically high-stakes outcomes by reshaping procedures or softening agreed standards. In that context, the MOP risked appearing less as a guardian of participatory rights and more as a diplomatic arena where those rights could be renegotiated.
In addition to the procedural tug of war, Azerbaijan triggered a rare vote in the re-election of Michel Forst, the UN Special Rapporteur on Environmental Defenders, highlighting politicisation pressures. This request emerged following Michel Forst’s active engagement with Azerbaijan, raising concerns and intervening on behalf of Azerbaijani environmental defenders Anar Mammadli and Ulviyye Ibadoghlu. The vote at the MOP8 ultimately resulted in the re-election of the Special Rapporteur by an overwhelming (41-1) majority.
The European Commission’s Controversial moves at the MOP8
The role of the European Union (EU) in the Aarhus Convention is significant as both the EU and its member states are parties to the Convention and therefore share binding obligations to implement its provisions (Article 9), including through the EU’s incorporation of the Convention into its own legal framework via the Aarhus Regulation. In practice, EU law and administrative acts have repeatedly been examined through Aarhus compliance procedures, including high-profile findings by the Aarhus Convention Compliance Committee (ACCC) on, for example, the lack of effective public challenge mechanisms. In response to such findings, the Commission amended the State aid rules in May 2025, presenting the reform as an effort to address the identified access-to-justice gap by introducing an internal review mechanism for environmental NGOs. Critics generally welcomed as a step towards closer alignment with Aarhus requirements, nevertheless questioned whether the limited scope of the reform and its procedural thresholds would ensure genuinely effective access to justice in practice (see here and here).
These developments illustrate how ongoing institutional interaction between the EU and the Aarhus Convention allows compliance findings and legal reforms to shape the Convention’s accountability framework. It was against this broader backdrop of institutional adjustment and sensitivity around the compliance system that discussions at MOP8 unfolded where one of the main agenda points was the election of members of the ACCC. Under the Convention’s compliance mechanism, Committee members are required to act “in their personal capacity” and to be persons of “high moral character and recognized competence in the fields to which the Convention relates, including persons having legal experience”. These conditions have been viewed as an exclusion of individuals who hold active positions within the executive branch of a state party, as both actual independence and the appearance of independence are considered essential to the Committee’s credibility.
However, a major flashpoint of the MOP8 involved a controversial move from the European Commission when it nominated an official of the European Commission’s Legal Service (thus a member of the EU executive body) to serve on the ACCC, prompting firm objections in the room, worrying that an executive official would undermine the body’s independence. According to EUObserver and GNHRE reports, several Parties and NGOs questioned this move, joined by a strongly worded intervention from ACCC Chair Áine Ryall who raised serious concerns about the implications of the nomination for the Committee’s independence and threatened to resign if this nomination is accepted. The moment seemed to be a tipping point. The EU ultimately backtracked and withdrew the candidate, but only after a protracted dispute that underscored how politically sensitive independence norms have become within the Aarhus system.
Additionally, the European Commission proposed last-minute amendments to a draft decision on environmental defenders softening references in two main area: 1. the rights of “present and future generations” and 2. protections for peaceful protest. NGOS and some parties objected not only to the substance of the proposal but also to the procedure: introducing major changes at the start of MOP8 left no time to review the documents and forced rushed negotiations, cornering smaller delegations and civil society into disadvantaged positions.
Further controversy arose from the European Commission’s attempts to postpone consideration of certain compliance findings – in a manner similar to proposals advanced by the United Kingdom -, framed as a matter of procedural timing (namely, the argument that the decisions should be deferred to a later session rather than adopted at MOP8). Observers argued this could amount to a retrospective change to established practice, undermining the rule-of-law logic of the compliance review. Following resistance from Parties such as Norway and Switzerland against the postponements of decisions, the EU withdrew the initiative and endorsed the draft decisions.
Takeaways from the MOP8 and forward-looking recommendations
The events surrounding MOP8 amounted to more than an isolated incident of diplomatic stumble. They exposed how deeply the Aarhus system depends on predictable procedure and political self-restraint. In addition, these developments fed into deeper concerns about institutional independence: the authority of the ACCC is based on both actual and perceived autonomy from executive influence. Debates at MOP8 about appointments and mandates illustrated how quickly independence norms can become contested when political stakes rise. The current financial constraints, procedural manoeuvring, and pressure on institutional autonomy altogether suggest that the Convention needs continued political commitment to restraint. If political respect for institutional limits weakens, even the most carefully crafted accountability mechanisms can begin to look fragile.
Recommendations by Council of the European Union and NGOs following the event emphasise the importance of clarification of timelines for circulating findings and endorsing decisions, without retroactively changing the rules. At the same time, Aarhus needs fixed guardrails around independence and civic space. The European Environmental Bureau (EEB), for example, stressed the importance of keeping ACCC membership clearly separated from executive influence, preserving meaningful NGO participation in MOP processes, and ensuring that the Special Rapporteur on Environmental Defenders from politicised pressure. These principles are the conditions that allow smaller Parties and the public to trust that the Aarhus accountability mechanism is not quietly steered behind the scenes.
Tensions around procedural rules also highlighted that resourcing is equally critical. The ACCC operates under severe staffing and funding constraints, and MOP8 reporting warned that shortages could affect the Rapid Response Mechanism. Civil society groups have warned that a 15-20% underfunding can hollow out accountability just as effectively as legal reform. A self-protective move would require a sustainable funding model, including predictable contributions and ring-fenced support for compliance work.
A final lesson seems to emerge for the EU too. Environmental democracy functions most effectively when powerful actors exercise restraint alongside leadership. Fulfilling its commitments under the Aarhus Convention therefore requires the EU not only to support and strengthen institutional frameworks, but to avoid directing them in ways that could compromise their independence. Equally, it entails promoting efficiency while also safeguarding civic space rather than narrowing it, demonstrating that influence can be exercised in a manner consistent with procedural principles.
First online meeting of the Aarhus Convention Compliance Committee (ACCC): 23-26 February 2026
In keeping with the budgetary austerity surrounding Aarhus Convention mechanisms, the next ACCC meeting will be held in a fully virtual format. The event will include several open sessions, notably covering the formalisation of the Committee’s new composition, developments related to the Special Rapporteur on Environmental Defenders, the preliminary admissibility of new communications, procedural developments concerning referrals by the Special Rapporteur, discussions on addressing the Committee’s increasing workload, and the election of the Chair and Vice-Chairs. Registration for the event is open.