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About Us

Creating confidence in the integrity of carbon markets to catalyze transformational climate results

Founded in 1996 as the first private greenhouse gas registry in the world, ACR is a globally recognized carbon crediting program operating in compliance and voluntary markets.

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Registry

ACR operates as a trusted provider to those buying carbon credits to meet compliance obligations and voluntary climate commitments globally. ACR issues serialized credits on a publicly available registry that tracks the carbon projects, as well as all credits issued, retired and cancelled.

Become a Registry Participant

Learn about ACR’s Registry Participant application process.

Registry data

To download data, please log in or register.

Login

Login to your ACR Registry account.