UN Climate Transparency Efforts Expand Ahead of COP30

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The UN Climate Change #Together4Transparency initiative advanced global climate reporting during the June 2025 Climate Meetings (SB62) in Bonn, supporting countries as they implement the Enhanced Transparency Framework (ETF) under the Paris Agreement.

Simon Stiell, Executive Secretary of UN Climate Change, stated: 

“Strong climate reporting is a vital enabling tool for governments and economies. It helps build a stronger evidence base to strengthen climate policies and outcomes. It also helps to identify funding needs and investment opportunities.”

Transparency in Action: Events and Tools Driving Change

Throughout SB62, the #Together4Transparency team engaged with more than 100 delegates and welcomed 700 new members to its Transparency LinkedIn group, expanding its digital network of practitioners and policymakers.

Key events and initiatives included:

  • COP29 Presidency Event: Introduced the upcoming Baku Global Climate Transparency Platform to support ETF implementation in 2025. Countries like Guyana, Kenya, and Spain shared best practices.
  • REDD+ Community of Practice Launch: Created a new peer-exchange hub—supported by the UK—for scaling forest-related emission reductions through expert meetings and e-learning.
  • CGE Side Event on Biennial Transparency Reports (BTRs): Offered guidance for first-time national reports, emphasizing tailored support for developing nations.
  • Youth Workshop with Youth4Capacity: Highlighted the role of young people in climate data systems. Nathan Cogswell (WRI) said, “There is a role for everyone in climate transparency—we just need to find ours.”
  • ACE Gallery Poster and BTR Workshop: Elevated stakeholder and youth engagement while sharing real-world experiences on BTR preparation.

The UN also released updates on ETF reporting tools, the synthesis report of initial BTR experiences, and the completion of a training program for technical expert reviewers. Parties emphasized the importance of accessible, ongoing support to ensure quality and comparability in future reports.

Clinics and Capacity Building Show Immediate Impact

A standout from the Bonn meetings was a series of six BTR clinics offering one-on-one support across ETF reporting pillars: greenhouse gas inventories, progress toward Nationally Determined Contributions (NDCs), and support (finance, technology, and capacity-building).

Several countries submitted their reports shortly after receiving in-session support, demonstrating the effectiveness of the model.

Hands-on training sessions also equipped technical expert reviewers to track NDC progress and conduct voluntary adaptation reviews, with participants praising the interactive design as a complement to online training.

Looking Ahead to COP30

As preparations continue for COP30, the #Together4Transparency initiative will remain a central platform for collaboration, innovation, and learning. The emphasis on digital engagement, stakeholder inclusion, and real-time tools reflects a growing effort to ensure the ETF is not just implemented—but effective.

By scaling capacity-building efforts and promoting inclusive engagement, the initiative underscores that climate transparency is more than a reporting obligation. It’s a foundation for global trust, accountability, and ambition.

Environment + Energy Leader