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American Carbon Registry Standard


The American Carbon Registry (ACR), a nonprofit enterprise of Winrock International, announces an open public comment period for updates to the ACR Standard v8.0, which details ACR’s requirements and specifications for the quantification, monitoring, reporting, verification, registration and issuance of project-based GHG emissions reductions and removals as carbon credits.

Please submit written comments via with the subject line "ACR Standard Public Comments" by December 31, 2021.

ACR Standard v8.0 will go into effect January 2022.

Process Documentation

File PDF document Summary of Changes v7.0 to v8.0
File PDF document ACR Standard v8.0 Public Comment Draft