We're excited to offer a limited batch of high-quality biochar carbon dioxide removal (CDR) credits in this special 2025 spot sale. These credits represent permanent carbon removal through the production and application of biochar by our vetted project partners.

The Offering

• Credit Type: Ex-post biochar CDR credits
• Volume Offered: up to 3,000 credits, each representing 1 tonne CO₂e
• Price: $154-160 per tonne CO₂e (volume discounts available)
• Delivery Timeline: Immediate upon purchase
• Minimum Purchase: 1 tonnes CO₂e

Quality Assurance

All credits in this offering meet rigorous quality standards:

• Verification Standard: Puro.earth CO₂ Removal certification (CORC)
• Permanence: 100+ years carbon sequestration
• Additionality: All projects are distinctly additional
• Monitoring: Third-party verification completed positively
• Documentation: Complete chain of custody from feedstock to application, as required by standard

<aside> <img src="notion://custom_emoji/82ae6a83-60f3-4702-960c-b8630e1eab09/1fe84884-0012-80a1-b90f-007a46d78f43" alt="notion://custom_emoji/82ae6a83-60f3-4702-960c-b8630e1eab09/1fe84884-0012-80a1-b90f-007a46d78f43" width="40px" />

Note: These credits are offered on a spot basis—they have already been verified by a third party and certified by the carbon registry. Issuance reports are publicly available; see each project for its documents.

</aside>

Participating projects (click to learn more)

Purchase Process

• Up to 10 credits:
  • Purchase online
  • Standard T&C policy applies
• Between 11 and 99 credits:
  • Purchase online or request an invoice
  • Standard T&C policy applies