Certification & Verification
Certified at the highest level
To guarantee that every claim we make about CO₂ removal meets the highest international requirements, Underground Forest works with leading independent standards.
Our standards
Independent certification
Rainbow
Rainbow Standard: ICVCM & ICROA accredited certification
Actively certifiedICVCM
Integrity Council for the Voluntary Carbon Market
Assessment in progressNormec
Independent verification and validation
ActiveCertification via Rainbow
Biobased Construction Materials
Rainbow focuses on high-quality carbon removal and places strong emphasis on transparency and data-driven accounting, in line with upcoming EU standards and the Oxford Offsetting Principles.
Under Rainbow's Biobased Construction Materials methodology, projects are assessed against strict criteria such as additionality, measurability and leakage prevention. A lifespan of more than 100 years has been established for Underground Forest's projects, the highest category.
Ex-post issuance: To safeguard integrity, credits are issued exclusively 'ex-post' (after the fact), i.e. only after the carbon has been safely removed and the credits have been released by the verifying body.
Quality assurance
Quality assurance by Normec
Standards are evolving rapidly. Rainbow is accredited by the Integrity Council for the Voluntary Carbon Market (ICVCM) and therefore meets the coveted Core Carbon Principles (CCP). In addition, every credit is independently verified and validated by Normec.
This provides investors and buyers with the assurance that our credits belong to the highest quality in the market.
Ready to invest in real impact?
Request a quote for certified carbon credits.