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Hi, this is Michelle. The Aarhus Convention has been hailed as one of the world’s most ambitious environmental treaties.

As its state parties gathered in Geneva this week for what are typically uneventful quadrennial talks, clashes over EU and UK-led attempts to rein in the convention’s oversight mechanisms laid bare the increasingly fraught landscape of environmental activism.

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Michelle Langrand

21.11.2025


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EU delegates huddle to discuss their nomination for the Aarhus Convention's compliance committee, after the committee's chair threatened to resign if he was elected at the meeting of the parties in Geneva, 20 November 2025. (Geneva Solutions/Michelle Langrand)

Tensions flared on all sides this week as states convened in Geneva under the Aarhus Convention, the 1998 treaty that guarantees citizens the right to information, public participation and justice in environmental matters. Held every four years, the meeting of the parties, which wrapped up on Thursday, was overshadowed by attempts by the European Union and the United Kingdom to reshape key oversight mechanisms, triggering outcry from campaigners, warnings from Switzerland and Norway and a near-rebellion from the convention’s own experts.

The 48-party agreement, covering most of Europe and Central Asia, faces mounting pressure amid a cash-strapped secretariat and a global landscape in which environmental defenders – including in western democracies – face tightening legal restrictions.

Read the full story on Geneva Solutions.

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