ACR, a leading global carbon crediting program, is committed to delivering ambitious climate results. With a mission to enhance confidence in the integrity of carbon markets and catalyze transformational emission reductions, ACR operates in both global compliance and voluntary carbon markets. Founded in 1996, ACR has a quarter-century of expertise in ensuring the quality of carbon credits, with a focus on innovation and continuous improvement.

As an enterprise of Winrock International, ACR boasts a best-in-class team with extensive expertise in carbon project development, climate policy, market design, and carbon credit methodology development. The organization is governed by Environmental Resources Trust LLC, ensuring a focus on using the power of markets to improve the environment.

ACR pioneers rigorous, peer-reviewed, science-based carbon accounting standards and methodologies. The organization oversees the registration and independent verification of greenhouse gas emission reduction and removals projects, operating a transparent online registry system to record the issuance, transfer, and retirement of serialized carbon credits. Whether in forestry, industrial programs, or other land use sectors, ACR plays a crucial role in shaping the development and growth of high-integrity carbon markets.