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Sustainable Carbon Removal Platform
Carbonyx is a New Zealand-based carbon removal company transforming non-utilised plantation forestry residues into high-durability biochar that permanently removes carbon dioxide from the atmosphere.
Independently Validated Lifecycle Assessment - End Uses
Horticulture
Soil Amendment
Animal Feed
Low Carbon Concrete
KEY METRICS
18,000 Tonnes co2e Carbon Sequestered Annually
6,500 Tonnes Biochar Manufactured Annually
55,000 Tonnes Forestry Residue Removed Annually
90% + Organic Carbon Content
Carbon Accounting
Additionality
Permenance
Safeguarding and co-benefits
Carbonyx achieved very low risk carbon accounting, supported by conservative lifecycle boundaries and Cula’s robust, end-to-end digital monitoring and traceability.
Additionality achieved the strongest rating, with no regulatory mandates or public funding and project viability demonstrably dependent on carbon revenue.
Very low permanence risk reflects durable biochar, ongoing quality testing, and Cula’s traceability from production through long-term soil carbon storage.
Low safeguarding risk and positive impacts support safe employment, environmental stewardship, regional development, innovation, and productive use of forestry residues.
Latest News
The assessment considered the strength of our carbon accounting, additionality and durability—key foundations of high-quality carbon removal.
For prospective buyers, the rating provides added confidence in our approach as we work towards delivering independently verified, durable carbon removal from forestry residues in Tairāwhiti, New Zealand.
Cula’s platform will support traceability across the carbon removal process, connecting feedstock, production and biochar end-use records to support independent verification.
This work will help establish a transparent, auditable record of our carbon removal activities as we progress towards production and future carbon credit issuance.
The process assessed the project’s eligibility under Isometric’s requirements, supported by our project documentation and lifecycle assessment.
With pre-screening complete, our focus moves to project delivery and the monitoring and verification needed for future carbon credit issuance.
What Makes Carbonyx Stand Out
State Of The Art Carbon Capture Technology
BUILT ON TRUST, VERIFIED BY PARTERS
Carbonyx has partnered with Cula to deliver end-to-end digital MRV, tracking biochar from feedstock sourcing and production through transport and final application. This traceability technology reduces leakage, prevents double counting and provides verifiable evidence that captured carbon remains securely stored.
CARBONYX Limited
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