> For the complete documentation index, see [llms.txt](https://documentation.carbonregistry.com/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.carbonregistry.com/documentation/icr-program/methodology-development/icr-methodologies/approved-icr-methodologies.md).

# Approved ICR Methodologies

This section is for methodologies that have successfully completed the International Carbon Registry (ICR) approval process. Each methodology is designed to meet the ICR methodology requirements following the ICR Methodology Approval Process, ensuring scientific integrity, transparency, and alignment with global best practices such as ISO 14064-2.

Approved methodologies provide clear, transparent, and scientifically validated specifications for quantifying, monitoring, and reporting greenhouse gas (GHG) emission mitigations. 

A methodology in this section may be approved subject to conditions. Where it is, the conditions and any restriction on its use are stated on the methodology's own page and in the statement of conditional status published with it.

| Methodology | Title                                                            | Status                                                                                                                                                                                                                                                                                                  |
| ----------- | ---------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| M-ICR010    | Coal Abatement for the Energy Transition                         | <p>Approved in principle 16.10.2026.</p><p>Approved in principle only, on a safeguarded pilot basis and subject to conditions. Not available to project proponents other than the methodology developer until the first project has been registered and ICR has completed its registration review. </p> |
| M-ICR011    | Atmospheric nitrous oxide (N2O) destruction using Photocatalysts | Approved 10.07.2025                                                                                                                                                                                                                                                                                     |
|             |                                                                  |                                                                                                                                                                                                                                                                                                         |

In addition to approved ICR methodologies projects seeking registration in the ICR Program that comply with all ICR requirements may use all currently active methodologies from the Clean Development Mechanism. See [ICR Approved Methodologies, Modules and Tools](/documentation/icr-program/project-development/support/icr-approved-methodologies-modules-and-tools-v4.2/old-versions/icr-approved-methodologies-modules-and-tools-v4.1.md).

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