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Bonn 2026: From Promises to Delivery

  • Writer: Anushka Puri
    Anushka Puri
  • Jun 24
  • 3 min read

The Bonn Climate Change Conference (SB64), held from 8-18 June 2026 in Germany, was the main official negotiating moment between COP30 in Belém and COP31 in Antalya. What was meant to be a bridge, instead revealed the complexities behind moving from commitments to action.


UN Climate Chief Simon Stiell reminded delegates: “Tackling the climate crisis is the hardest but most important thing humanity has ever tried to do together.” Yet by the closing plenary, many negotiators left frustrated, with finance, adaptation, and fossil fuel transition still unresolved.


The tone at Bonn was clear: no more new promises, focus on delivery. Negotiators spent time on operationalisation to implement existing commitments. However, translating frameworks into action proved politically and financially challenging.


Just transition finds traction


One of the clearest signs of progress came on the Belém-Antalya Mechanism (BAM) for global just transitions, which negotiators moved forward through agreed text and broader recognition that the shift to low-carbon economies must be fair as well as fast. Far from being a side issue, BAM underscored that climate action cannot be judged only by emissions targets; it also has to account for jobs, livelihoods, and the distribution of transition costs and benefits. In a conference marked by deadlock on finance and adaptation, the mechanism offered a rare example of multilateral cooperation still capable of producing a practical framework for implementation.


Finance remains the key barrier


Finance dominated the talks. Developing countries pressed for stronger commitments, citing the tripling of adaptation finance promised at COP30. Developed nations resisted, pointing to fiscal strains and aid cuts. The divide stalled progress on multiple agenda items, leaving finance as the biggest unresolved issue heading into Antalya.


Adaptation is now as central as mitigation, but Bonn showed how fragile progress is. Negotiations on the Global Goal on Adaptation (GGA) did reach a consensus, with the issue “Rule 16”ed and deferred without resolution.


Work on the Belém Adaptation Indicators and the Baku Adaptation Roadmap continued, but disputes over finance and governance stalled substantive progress.


The fossil fuel divide


The transition away from fossil fuels was fiercely contested. Climate‑vulnerable nations demanded stronger commitments, while producers resisted. No new agreement emerged, leaving Antalya to confront the divide amid real‑world energy shocks and deadly heatwaves. 


Trade enters climate discussions


For the first time, trade was formally linked to climate negotiations, thanks to first-ever dialogue on climate change and trade being mandated under the COP30 “global mutirão,”. Technical dialogues raised concerns about carbon border measures and their impact on developing countries. Trade is now firmly part of climate governance, adding a new layer of complexity.


Small wins with technology cooperation


Negotiators agreed that the United Nations Environment Programme (UNEP) will continue hosting the Climate Technology Centre. This ensures technical support for developing countries in 2027 and shows that practical cooperation is possible even amid political disagreements. 


Fractured confidence


Unmet finance pledges and equity tensions left trust at a low point. Many delegates lamented “coordinated attacks” on science and the weakening of references to keeping 1.5°C within reach. Trust remains the biggest challenge in climate diplomacy.


Regional voices amplified


Groups like the Group of 77 (G77) + China, Like-Minded Developing Countries (LMDCs), the African Group, and Alliance of Small Island States (AOSIS) exerted strong influence. The talks showed climate diplomacy is no longer dominated by Western countries, with regional blocs shaping outcomes more than ever. 


Road to Antalya 


With many issues unresolved, COP31 in Türkiye will need to tackle:

  • Finance gaps

  • Adaptation frameworks

  • Mitigation work programme

  • Fossil fuel transition

  • Implementation mechanisms


Bonn may not have delivered breakthroughs, but it has set the stage for Antalya, where credibility will depend on whether governments can finally move from promises to delivery. It remains to be seen if COP31 will bring the breakthroughs it needs to.




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