Carbonmark lists carbon offset prices from $0.10 to $650 per tonne

Carbonmark reported carbon offset prices ranging from $0.10 to $650 per tonne of CO₂e on its marketplace as of August 2026. Renewable energy credits traded under $3, forestry credits between $1 and $24, and durable removals from approximately $110. The platform allows fractional purchases starting at 0.001 tCO₂e and provides a publicly verifiable retirement certificate for each transaction. Carbonmark states that all retirements are traceable to the registry of origin, ensuring a permanent public record of credit usage.