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American Carbon Registry Standard v3.0

American Carbon Registry Standard v3.0

The American Carbon Registry (ACR) Standard v3.0 details ACR’s requirements and specifications for the quantification, monitoring, and reporting of project-based GHG emissions reductions and removals, verification, project registration, and issuance of offsets.

 

Former versions of the ACR Standard:

  • Summary of changes from v2.1 to v3.0
  • Response to public comments on the update v2.1 to v3.0
  • Summary of changes in v2.1 from v2.0
  • American Carbon Registry Standard v2.1
  • American Carbon Registry Standard v2.0
  • ACR Technical Standard 2009 v1.0
  • Projects already registered under the American Carbon Registry Standard v2.1 may continue to use that version of the standard through the end of the current crediting period. New projects can use v2.1 provided they are listed or registered by June 1, 2014.