This paper was prepared for the OECD-IEA Climate Change Expert Group (formerly called the Annex I Expert Group) for the purpose of providing useful and timely input on specific topics relevant to international negotiations under the United Nations Framework Convention on Climate Change (UNFCCC)....

This paper was prepared for the OECD-IEA Climate Change Expert Group (formerly called the Annex I Expert Group) for the purpose of providing useful and timely input on specific topics relevant to international negotiations under the United Nations Framework Convention on Climate Change (UNFCCC)....

It is likely that a diverse range of nationally-determined mitigation contributions will be communicated by Parties under the 2015 climate change agreement. An effective post-2020 accounting framework to understand and track implementation of these mitigation contributions will therefore need to...

The Modalities, Procedures and Guidelines (MPGs) included in Decision 18/CMA.1 adopted at COP24 in 2018 require all Parties to the Paris Agreement to report national greenhouse gas (GHG) inventories using “common reporting tables” (CRTs). The same decision requests the Subsidiary Body for...

Under the Enhanced Transparency Framework (ETF) of the Paris Agreement, Parties will be required to report information on national GHG inventories using a set of Common Reporting Tables (CRTs). The CRTs can provide an important source of data at the international and national levels. While a...

This paper identifies and analyses options for the design of the Article 6.4 mechanism in two key areas. These are the possible transition of eligible activities registered under the Kyoto Protocol’s Clean Development Mechanism (CDM) to the Article 6.4 mechanism; and the registration of new...

This paper explores modalities, enablers, and political moments that could help to translate the outputs of the global stocktake (GST) into an outcome that informs and enhances national and international actions as intended in the Paris Agreement. How to move from the collective outputs of the...

This paper analyses net-zero emissions targets adopted in law, proposed in legislation, or reflected in policy documents in 51 countries and the EU to better understand their characteristics, similarities and differences. It examines countries’ experiences with translating net-zero targets...