Climate Change Expert Group (CCXG)

Global Forum on the Environment and Climate Change - September 2023

12-13 September, 2023
9:00 - 17:30
Paris, France
Hybrid Meeting

This Global Forum on the Environment and Climate Change, jointly organised by the OECD and the IEA, aimed to promote dialogue, and enhance understanding among a wide range of countries on key issues relevant to the international climate change negotiations and implementation of the Paris Agreement.

The sessions in this Global Forum focused on the mitigation work programme (MWP), the new collective quantified goal (NCQG) on climate finance and the just transition work programme. There were also discussions on the global stocktake of the Paris Agreement and on relevant recent OECD and IEA work on transport. This meeting took place under the Chatham House Rule, meaning that remarks made during the discussions were not attributed to individuals.

Day 1: Tuesday 12 September 2023

Welcome and opening plenary

Moderator: Hyunsoo Yun (CCXG Chair)

Opening remarks

Scene-setting presentation:
 Joeri Rogelj (Imperial College London)

Breakout Group A1 - Delivering the mitigation work programme (MWP) - Accelerating action through existing initiatives (I)

This session explored how the MWP could be more impactful by harnessing relevant on-going efforts, within and outside the UNFCCC process, to deliver concrete near-term mitigation actions.

Facilitator: Manuela Galan (UK)


Breakout Group B1 - Possible sources of finance for the new collective quantified goal (NCQG) on climate finance and links to Article 2.1c

This session dolve into the unique attributes, potential role, and challenges of different possible financial sources for the NCQG.

Facilitator: Charlene Watson (Overseas Development Institute)


Breakout Group A2 - Delivering the MWP - Accelerating action through existing initiatives (II)

Building on the discussions in Session A1, this session continued to explore how to enhance the impact of the MWP by harnessing relevant on-going efforts at the international and regional level.

Facilitator: Erika Yamada (Japan)


Breakout Group B2 - Dimensions of potential sub-targets for the NCQG on climate finance

This session discussed potential dimensions for consideration in the context of setting potential sub-targets in the NCQG, including developing country groupings, climate themes, and financial instruments.

Facilitator: Gabriela Blatter (Switzerland)


  • Chiara Falduto (OECD)
  • Michael Button (Institutional Investors Group on Climate Change)
  • Isobel Bartholomew (UK)
  • Fredrick Ouma (Transparency International Kenya)

Breakout Group A3 - Potential elements of a decision on the MWP

This session explored options for the potential structure and elements of a decision on the MWP to be put forward at the 5th Conference of the Parties serving as the meeting of the Parties to the Paris Agreement (CMA5) at COP28 in December 2023.

Facilitator: Itchell Sandy Guiney (South Africa)


Breakout Group B3 - Tracking progress towards the NCQG on climate finance

This session identified the data needs for tracking progress towards the NCQG, explored possible data sources within and beyond the UNFCCC context, and discussed potential data gaps that may pose challenges to tracking progress towards the NCQG.

Facilitator: Michai Robertson (Antigua and Barbuda)



Day 2: Wednesday 13 September 2023

Session C1 - Lessons from other processes and initiatives for a just transition work programme

This session explored insights and lessons learned from various activities, initiatives, and processes relating to a just transition, both within and outside the UNFCCC, that the new JTWP could potentially build on.

Facilitator: Phoebe Koundouri (UN Sustainable Development Solutions Network)


Session C2 - Insights and experiences with enablers for just transition pathways

This session explored experiences with different enablers for just transition pathways at different levels and insights these experiences provide for operationalising an impactful JTWP.

Facilitator: Myriam Bovéda (European Commission)


Respondent: Sangji Lee (UNDP)

Session D1 - Towards a successful first global stocktake

This session explored what it will take to reach a robust outcome on GST1 at COP28, what concrete elements the final GST1 package could include to enable a course correction, and what specific follow-up is needed to drive action on the ground by Parties and non-Party stakeholders in the years ahead.

Facilitator: Rueanna Haynes (Trinidad and Tobago)




  • Jayaraman Thiagarajan (M.S. Swaminathan Research Foundation)
  • Thomas Vergna (Netherlands)

OECD and IEA presentations of recent work

During this session participants heard insights from recent OECD and IEA work focusing on transport including the OECD’s International Transport Forum (ITF) Transport Outlook as well as insights from IEA work on electric vehicles.

Facilitator: Hyunsoo Yun (CCXG Chair)


Looking ahead to COP28: Wrap up and closing remarks


  • Hana AlHashimi (UAE, incoming COP28 Presidency)
  • Hyunsoo Yun (CCXG Chair)

Further information