Indigo Carbon has issued its fifth US carbon crop, taking the company’s total verified impact to more than 2 million metric tonnes of carbon removals and reductions across American croplands.
The latest issuance comprises 1.1 million independently verified carbon credits, released through the Climate Action Reserve. Indigo said the milestone represents a significant advance for high-quality agricultural credits within the voluntary carbon market and reinforces soil carbon’s growing credibility as a scalable climate solution.
The credits were issued under a protocol approved by the Integrity Council for the Voluntary Carbon Market (ICVCM) and aligned with its Core Carbon Principles, regarded as a global benchmark for high-integrity carbon credits.
Max DuBuisson, Head of Impact & Integrity at Indigo, said the company’s consistent issuances demonstrate the maturity of soil-based carbon programmes. “With five consecutive credit issuances, we are delivering consistent, measurable and scientifically validated impact. Agricultural soil carbon is an immediate and durable climate solution that can help companies meet their climate commitments, while also improving water conservation and crop resilience,” he said.
Since 2018, Indigo has enrolled more than 8 million acres across 28 US states in its soil carbon programmes. The company reports having sequestered and abated 2.1 million metric tonnes of CO₂e to date — equivalent to the annual energy use of more than 280,000 US homes.
Agricultural soils are estimated to have the potential to mitigate up to four gigatonnes of CO₂e annually, positioning soil carbon sequestration as a significant climate mitigation pathway. Indigo said its programme also delivers co-benefits including improved soil fertility, enhanced water retention, stronger crop resilience and the conservation of billions of gallons of water.
McKenzie Smith, Associate Director of Strategic Implementation at the Climate Action Reserve, said the Soil Enrichment Protocol was designed to accelerate adoption of regenerative agricultural practices that increase soil organic carbon and reduce greenhouse gas emissions. She added that Indigo’s latest issuance is the first sustainable agriculture credit labelled under the ICVCM’s Core Carbon Principles.
