Carbonmark issues guide for businesses buying carbon credits
Carbonmark has published a guide for businesses on how to purchase and retire voluntary carbon credits, covering quantity, cost, quality, and proof of offset. The platform suggests small and mid-sized companies typically retire between 100 and 2,000 tonnes per order. Current prices on Carbonmark as of 20 October 2026 range from $0.35 per tonne for renewable energy credits to over $900 for some blue carbon projects. Businesses can pay via credit card, bank transfer, or USDC, with a minimum order of 0.001 tonnes.
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