The OECD and the IEA provide secretariat support to the CCXG and prepare analytical papers on issues relevant to the on-going climate change negotiations. Over 100 papers have been prepared for the group since 1993. Please note that these papers are intended to inform national policy-makers and other stakeholders; they do not necessarily represent the views of the OECD or the IEA, nor do they intend to prejudge the views of countries participating in the CCXG.
Papers published in 2009 onwards constitute the OECD/IEA Climate Change Expert Group Paper Series.
2023
Jeudy-Hugo, S. and L. Charles, Towards a successful outcome of the first global stocktake of the Paris Agreement
Ellis, J., Lo Re, L., S. Errendal, Making the Mitigation Work Programme fit for purpose: Options for forms, focus and information that would lead to successful implementation
2022
Jeudy-Hugo, S., Errendal, S. and Kotani, I., Adaptation in the global stocktake: options to deliver on its mandate
Lo Re, L., Ellis, J. and Grenier, S., The birth of an ITMO: authorisation under Article 6 of the Paris Agreement
Ellis, J., Lo Re L. and De Lorenzo, F., How national governments can facilitate increased mitigation action from non-Party Stakeholders: Insights from urban renewable electricity and REDD+
Jeudy-Hugo, S. and Charles L., Translating outputs to outcomes under the global stocktake of the Paris Agreement
2021
Falduto C., Ellis J. and Simeonova K., Understanding reporting and review under Articles 6 and 13 of the Paris Agreement
Jeudy-Hugo S., Lo Re L. and Falduto C., Understanding countries’ net-zero emissions targets
Lo Re, L. and Ellis J., Operationalising the Article 6.4 mechanism: options and implications of CDM activity transition and new activity registration
Falduto, C. and Wartmann, S., Towards common GHG inventory reporting tables for Biennial Transparency Reports: Experiences with tools for generating and using reporting tables under the UNFCCC
2020
Buckle, S., Ellis, J., Aguilar Jaber, A., Rocha, M., Anderson, B. and P. Bjersér, Addressing the COVID-19 and climate crises: potential economic recovery pathways and their implications for climate change mitigation, NDCs and broader socio-economic goals
Fadulto, C., Wartmann, S. and M. Rocha, Reporting national GHG inventories through Common Reporting Tables (CRTs) - An assessment of CRT reporting options through worked examples
Rocha, M. and J. Ellis, Reporting progress towards Nationally Determined Contributions: exploring possible common tabular formats for the structured summary
Falduto, C. and M. Rocha, Aligning short-term climate action with long-term climate goals - Opportunities and options for enhancing alignment between NDCs and long-term strategies
2019
Rocha, M. and C. Falduto, Key questions guiding the process of setting up long-term low-emission development strategies
Lo Re, L., Ellis, J., Vaidyula, M. and A. Prag, Designing the Article 6.4 mechanism: assessing selected baseline approaches and their implications
Falduto, C. and J. Ellis, Reporting Tables – Potential areas of work under SBSTA and options – Part II – Financial support provided, mobilised and received
Lo Re, L. and M. Vaidyula, Markets negotiations under the Paris Agreement: a technical analysis of two unresolved issues
2018
Ellis J., S. Wartmann, S. Moarif and M. Rocha, Operationalising selected reporting and flexibility provisions in the Paris Agreement
Vaidyula M. and M. Rocha, Tracking progress towards NDCs and relevant linkages between Articles 4.6 and 13 of the Paris Agreement
Garrett J. and S. Moarif, Reporting on capacity-building and technology support under the Paris Agreement: Issues and options for guidance
Vaidyula M. and C. Hood, Accounting for baseline targets in NDCs: Issues and options for guidance
Vaidyula M., Common time frames: Summary of discussions - 2018 March Climate Change Expert Group Global Forum
2017
Vaidyula M. and J. Ellis, 2018 facilitative dialogue: Identifying options for outputs and outcomes, and key questions for modalities
Hood H. and C. Soo, Accounting for mitigation targets in Nationally determined Contributions under the Paris Agreement
Vallejo L., S. Moarif and A. Halimanjaya, Enhancing mitigation and finance reporting
Ellis J. and M. Vaidyula, Information needs for the 2018 facilitative dialogue: issues and options
Vallejo L., Insights from national adaptation monitoring and evaluation systems
2016
Ellis J. and S. Moarif, Enhancing transparency of climate finance under the Paris Agreement: lessons from experience
Briner G. and S. Moarif, Enhancing transparency of climate change mitigation under the Paris Agreement: lessons from experience
Briner G. and S. Moarif, Possible structure of mitigation-related modalities, procedures and guidelines for the enhanced transparency framework
Briner G. and S. Moarif, Unpacking Provisions Related to Transparency of Mitigation and Support in the Paris Agreement
Kato T. and J. Ellis, Communicating Progress in National and Global Adaptation to Climate Change
2015
Ellis J. and S. Moarif, Identifying and Addressing Gaps in the UNFCCC Reporting Framework
Ellis J., S. Moarif, Y. Nobuoka, M. Pellegrino and J. Helgeson, Assessing Options to Increase Climate Support
Helgeson, J. and J. Ellis, The Role of the 2015 Agreement in Enhancing Adaptation to Climate Change
Hood, C., L. Adkins and E. Levina, Overview of INDCs Submitted by 31 August 2015
Moarif, S., Establishing Cycles for Nationally Determined Mitigation Contributions or Commitments
Moarif, S., Strategic Review: Implications of Proposals to Date for Mitigation Contributions
Nobuoka, Y., J. Ellis and S. Pyndt Andersen, Encouraging Increased Climate Action by Non-Party Stakeholders
2014
Briner, G. and S. Konrad, Planting the Foundations of a Post-2020 Land Sector Reporting and Accounting Framework
Briner, G., T. Kato and T. Hattori, Built to Last: Designing a Flexible and Durable 2015 Climate Change Agreement
Briner, G., T. Kato, S. Konrad and C. Hood, Taking Stock of the UNFCCC Process and its Inter-linkages
Hood, C. and G. Briner, Energy Sector Transformation: Issues and Options for the UNFCCC Negotiations
Hood C., G. Briner and M. Rocha, GHG or not GHG: Accounting for diverse mitigation contributions in the post-2020 climate framework
Kato, T., J. Ellis and C. Clapp, The Role of the 2015 Agreement in Mobilising Climate Finance
Kato, T., J. Ellis, P. Pauw and R. Caruso, Scaling up and replicating effective climate finance interventions
2013
Briner, G. and A. Prag, Establishing and Understanding Post-2020 Climate Change Mitigation Commitments
Caruso, R. and J. Ellis, Comparing Definitions and Methods to Estimate Mobilised Climate Finance
Ellis, J., R. Caruso and S. Ockenden, Exploring Climate Finance Effectiveness
Prag, A., C. Hood and P. Martins Barata, Made to Measure: Options for Emissions Accounting under the UNFCCC
2012
Clapp, C. and Prag, A., Projecting Emissions Baselines for National Climate Policy: Options for Guidance to Improve Transparency
Clapp, C., J. Ellis, J. Benn and J. Corfee-Morlot, Tracking Climate Finance: What and How?
Prag, A., G. Briner and C. Hood, Making Markets: Unpacking Design and Governance of Carbon Market Mechanisms
Prag, A. and G. Briner, Crossing the Threshold: Ambitious Baselines for the UNFCCC New Market-based Mechanism
2011
Buchner, B., J. Brown and J. Corfee-Morlot, Monitoring and Tracking Long-Term Finance to Support Climate Action
Ellis, J., G. Briner, Y. Dagnet and N. Campbell, Design Options for International Assessment and Review (IAR) and International Consultations and Analysis (ICA)
Ellis, J., G. Briner, S. Moarif and B. Buchner, Frequent and Flexible: Options for Reporting Guidelines for Biennial Reports
Prag, A., C. Hood, A. Aasrud and G. Briner, Tracking and Trading: Expanding on Options for International Greenhouse Gas Unit Accounting after 2012
Prag, A., A. Aasrud and C. Hood, Keeping Track: Options to Develop International Greenhouse Gas Unit Accounting after 2012
2010
Aasrud, A., R. Baron and K. Karousakis, Market Readiness: Building Blocks for Market Approaches
Clapp, C., G. Briner and K. Karousakis, Low-Emission Development Strategies (LEDS): Technical, Institutional and Policy Lessons
Ellis, J., S. Moarif, G. Briner, B. Buchner and E. Massey, Options to Revise Reporting Guidelines for Annex I and non-Annex I National Communications
Ellis, J., S. Moarif and G. Briner (2010), Core Elements of National Reports
2009
Aasrud, A., R. Baron, B. Buchner and K. McCall, Sectoral Market Mechanisms – Issues for Negotiation and Domestic Implementation
Baron, R., B. Buchner and J. Ellis, Sectoral Approaches and the Carbon Market
Clapp, C., K. Karousakis, B. Buchner and J. Chateau, National and Sectoral GHG Mitigation Potential: A Comparison Across Models
Corfee-Morlot, J., B. Guay and K. M. Larsen, Financing Climate Change Mitigation: Towards a Framework for Measurement, Reporting and Verification
Ellis, J., S. Moarif and J. A. Kim, Reporting and Recording Post-2012 GHG Mitigation Commitments, Actions and Support
Ellis, J. and S. Moarif, GHG Mitigation Actions: MRV Issues and Options
Kim, J. A., J. Corfee-Morlot and P. T’Serclaes, Linking Mitigation Actions in Developing Countries with Mitigation Support: A Conceptual Framework
Kim, J. A., J. Ellis and S. Moarif, Matching Mitigation Actions with Support: Key Issues for Channelling International Public Finance
2008
Baron, R., I. Barnsley and J. Ellis, Options for Integrating Sectoral Approaches into the UNFCCC
Ellis, J. and K. Larsen, Measurement, Reporting and Verification of Mitigation Actions and Commitments
Karousakis, K., B. Guay and C. Philibert, Differentiating Countries in Terms of Mitigation Commitments, Actions and Support
2007
Buchner, B., Policy Uncertainty, Investment and Commitment Periods
Ellis, J., R. Baron and B. Buchner, SD-PAMs: What, Where, When and How?
Ellis, J. and S. Kamel, Overcoming Barriers to Clean Development Mechanism Projects
Karousakis, K. and J. Corfee-Morlot, Financing Mechanisms to Reduce Emissions from Deforestation: Issues in Design and Implementation
Karousakis K., Incentives to Reduce GHG Emissions from Deforestation: Lessons Learned from Costa Rica and Mexico
Levina, E., Adaptation to Climate Change: International Agreements for Local Needs
Levina, E., J. E. Jacob, L. E. Ramos and I. Ortiz, Policy Frameworks for Adaptation to Climate Change in Coastal Zones: The Case of the Gulf of Mexico
Philibert, C., J. Ellis and J. Podkanski, Carbon Capture and Storage in the CDM
Philibert, C., Technology Penetration and Capital Stock Turnover: Lessons from IEA Scenario Analysis
Reinaud, J. and C. Philibert, Emissions Trading: Trends and Prospects
2006
Baron, R., Sectoral Approaches to GHG Mitigation: Scenarios for Integration
Baron, R. and J. Ellis, Sectoral Crediting Mechanisms for Greenhouse Gas Mitigation: Institutional and Operational Issues
Ellis, J. and D. Tirpak, Linking GHG Emission Trading Schemes and Markets
Ellis, J. and K. Karousakis, The Developing CDM Market: May 2006 Update
Ellis, J., Issues Related to a Programme of Activities under the CDM
Karousakis, K., Initial Review of Policies and Incentives to Reduce GHG Emissions from Deforestation
Karousakis, K., Joint Implementation: Current Issues and Emerging Challenges
Lefèvre, N., P. de T'Serclaes and P. Waide, Barriers to Technology Diffusion: The Case of Compact Fluorescent Lamps
Levina, E. and H. Adams, Domestic Policy Frameworks for Adaptation to Climate Change in the Water Sector, Part I: Annex I Countries
Levina, E. and D. Tirpak, Adaptation to Climate Change: Key Terms
Philibert, C., Barriers to Technology Diffusion: The Case of Solar Thermal Technologies
2005
Bosi, M. and J. Ellis, Exploring Options for "Sectoral Crediting Mechanisms
Ellis, J. and R. Baron, Sectoral Crediting Mechanisms: An Initial Assessment of Electricity and Aluminium
Ellis, J. and E. Levina, The Developing CDM Market
Justus, D. and C. Philibert, International Energy Technology Collaboration and Climate Change Mitigation: Synthesis Report
Philibert, C., Climate Mitigation: Integrating Approaches for Future International Co-operation
Philibert, C., New Commitment Options: Compatibility with Emissions Trading
Philibert, C., Approaches for Future International Co-operation
Philibert, C. and J. Podkanski, International Energy Technology Collaboration and Climate Change Mitigation, Case Study 4: Clean Coal Technologies
Tirpak, D and M. Ward, The Adaptation Landscape
Willems, S., National Approaches to Adaptation: Some Lessons Learnt from Recent OECD and UNFCCC workshops
2004
Blyth, W. and M. Bosi, Linking non-EU Domestic Emissions Trading Schemes with the EU Emissions Trading Schemes
Bygrave, S. and M. Bosi, Linking Project-based Mechanisms with Domestic Greenhouse Gas Emissions Trading Schemes
Ellis, J. and F. Gagnon-Lebrun, The CDM Portfolio: Update Focusing on Non-electricity Projects
Ellis, J., J. Corfee-Morlot and H. Winkler, Taking Stock of Progress under the Clean Development Mechanism (CDM)
Gagnon-Lebrun, F., International Energy Technology Collaboration and Climate Change Mitigation, Case Study 2: Co-operation in Agriculture - R&D on High-yielding Crop Varieties
Philibert, C., International Energy Technology Collaboration and Climate Change Mitigation, Case Study 1: Concentrating Solar Power Technologies
Philibert, C. and J. Reinaud, Emissions Trading: Taking Stock and Looking Forward
Philibert, C., International Energy Technology Collaboration and Climate Change Mitigation
Willems, S., Institutional Capacity and Climate Actions: Summary Paper
2003
Blyth, W. and R. Baron, Green Investment Schemes: Options and Issues
Bygrave, S. and J. Ellis, Policies to Reduce GHG Emissions in Industry - Successful Approaches and Lessons Learned: Workshop Report
Ellis. J., Evaluating Experience with Electricity-generating GHG Mitigation Projects
Ellis, J., Forestry Projects: Lessons Learned and Implications for CDM Modalities
Herold, A., Current Status of National Inventory Preparation in Annex I and non-Annex I Parties
Philibert, C., Technology Innovation, Development and Diffusion
Philibert, C., J. Pershing, S. Willems and J. Corfee-Morlot, Evolution of Mitigation Commitments: Some Key Issues
Willems, S. and K. Baumert, Institutional Capacity and Climate Actions
2002
Baron, R. and S. Bygrave, Towards International Emissions Trading: Design Implications for Linkages
Bosi, M. and A. Laurence, Road-Testing Baselines for Greenhouse Gas Mitigation Projects in the Electric Power Sector
Ellis, J., Developing Guidance on Monitoring and Project Boundaries for GHG Projects
Kartha, S. and M. Lazarus, Practical Baseline Recommendations for GHG Mitigation Projects in the Electric Power Sector
Willems, S., J. Ellis, R. Dornau, F. Mullins and E. Levina, National Systems for Flexible Mechanisms: Implementation Issues in Countries with Economies in Transition, Workshop Report
Willems, S. and J. Pershing, Climate-relevant Policy Assessment: Recent Work in the OECD, IEA, NEA and ECMT
2001
Baron, R., The Commitment Period Reserve
Bode, J. W., J. de Beer, K. Blok and J. Ellis, Potential and Implications for Multi-Project Emission Baselines: Iron and Steel Case Study
Bosi, M., Fast-tracking Small CDM Projects: Implications for the Electricity Sector
Bosi, M., An Initial View on Methodologies for Emission Baselines: Electricity Generation Case Study
Ellis, J., Forestry Projects: Permanence, Credit Accounting and Lifetime
Ellis, J., J. Pershing and F. Mullins (2001), Transition Country Perspectives on the Kyoto Protocol, Workshop Report and Questionnaire Results
Ellis, J., An Initial View on Methodologies for Emission Baselines: Cement Case Study
McGlynn, G., P. Crist, L. Fulton and M. Crass, Good Practice Greenhouse Abatement Policies: Transport
Salon, D., An Initial View on Methodologies for Emission Baselines: Transport Case Study
Violette, D., C. Mudd and M. Keneipp, An Initial View on Methodologies for Emission Baselines: Energy Efficiency Case Study
Willems, S., Framework for Baseline Guidelines
Willems, S., R. Baron, J. Corfee-Morlot, J. Ellis, M. Bosi, F. Mullins and J. Werksman, Kyoto Mechanisms, Monitoring and Compliance, from Kyoto to The Hague
2000
Baron, R., Market Access Issues in International GHG Emissions Trading
Baron, R., An Assessment of Liability Rules for International GHG Emissions Trading
Baron, R., Market Power and Market Access in International GHG Emissions Trading
Ellis, J. and M. Bosi, Options for Project Emission Baselines
Willems, S., Key Features of Domestic Monitoring Systems under the Kyoto Protocol
THE PROGRAMME
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