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The below dataset includes all projects registered under the Clean Development Mechanism (CDM). It identifies projects with credits which can still be bought by countries to meet their UN climate obligations under rules adopted at the Cop26 climate talks in Glasgow in November 2021. The data was compiled from public databases created by the Institute for Global Environment Strategies (IGES), which rely on data from the official CDM Registry. These datasets gather a range of information about emission reduction activities operating under the CDM.

These activities include single projects called “Project Activities” (PA), as well as “Programmes of Activities” (PoAs), which are groups of coordinated projects in one or more countries. Data about single projects come from version 13.1 of the IGES CDM Project Database, while data on programmes of activities originate from version 10.8 of IGES CDM PoA Database. At the time of publication, both these datasets had been updated until February 2022. We completed the information to 1 April 2022 using the official CDM registry.

For any further questions, please reach out to Maribel Ángel-Moreno at maribelangel981@gmail.com.
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IGES CDM Project Database
https://www.iges.or.jp/en/pub/iges-cdm-project-database/en
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IGES CDM PoA Database
https://www.iges.or.jp/en/pub/iges-cdm-programme-activities-poa-database/en
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UNFCCC CDM Registry
https://cdm.unfccc.int/
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Institute for Global Environment Strategies (IGES)
https://www.iges.or.jp/en
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Explanation on Status_detailed column
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Every project undergoes a project cycle: basically, a project is first validated and then registered or rejected by the CDM Executive Board (CDM EB). This project cycle is reflected in the CDM Registry by different status. All status are summarised at IGES Database as follows:
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VA
Project has got public validation
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VR
Validation replaced
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VT
Validation contract has been terminated
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CC
Undergoing completeness check
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RR-01
Project which is under requesting registration
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RR-02
Project which has been requested for review
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RR-03
Project which is under review
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RR-04
Project which is requested corrections after requested review
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RR-05
Project which is requested corrections after review
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RJ
Project which is rejected by the CDM EB for registration
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RD
Project which is registered at the CDM EB
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RD-PROV
Project which is registered as provisional (at 108th EB meeting)
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RD2
Project which is re-registered as 2nd period at the CDM EB
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RD3
Project which is re-registered as 3rd period at the CDM EB
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WD
Project which is already withdrawn
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DR*
Deregistered project (*not included at IGES; added by us)
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*Deregistered CDM activities are previously registered activities that have deregistered but keep issuance rights for the period they participated in the CDM
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Full project cycle:
https://cdm.unfccc.int/Projects/diagram.html
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