The Intergovernmental Panel on Climate Change (IPCC) has completed the First-Order Draft of its upcoming 2027 Methodology Report on Carbon Dioxide Removal Technologies, Carbon Capture, Utilization, and Storage .
Formal registration is now open for technical experts across CO2 capture, transport, geological storage, and carbon removal accounting to participate in the peer-review process.
The formal Expert Review window will run from November 2 to December 20, 2026, with reviewer registration closing on December 11, 2026.
The Intergovernmental Panel on Climate Change (IPCC) has finalized the First-Order Draft of its forthcoming Methodology Report on Carbon Dioxide Removal Technologies, Carbon Capture, Utilization, and Storage and opened registration for external expert reviewers.
The drafting milestone represents a foundational step toward establishing standardized global accounting rules for carbon management technologies under national greenhouse gas (GHG) inventories.
Developed by more than 100 lead authors and international contributors, the report covers accounting frameworks for point-source capture, CO2 transport networks, sub-seabed and onshore geological storage, carbon utilization, and durable biogenic and synthetic carbon dioxide removal (CDR) pathways.
The expert peer-review process serves as a core mechanism in the IPCC reporting structure, ensuring the technical guidance remains scientifically rigorous, policy-neutral, and directly applicable for national inventory compilers.
Review Window: The formal Expert Review period will run from November 2 through December 20, 2026 .
Target Audience: The IPCC is soliciting feedback from researchers, engineers, and inventory practitioners specializing in CO2 transport logistics, geological storage integrity, direct air capture (DAC), and carbon accounting methodologies.
Following the expert review phase, the report will undergo a secondary joint review by governments and experts before final approval by IPCC member nations, ahead of its scheduled adoption for national climate reporting frameworks.
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