The scientific advisory board
Verdant's measurement methodology is designed, reviewed, and published by an independent scientific advisory board. Their credentials and institutional affiliations are listed in full.
Prof. Elena Vasquez
Chair, Climate Systems · MIT EAPS
Lead author on three IPCC Working Group III chapters. Specialises in emissions accounting methodologies for industrial and logistics sectors.
Dr. James Achebe
Carbon Markets · Oxford Smith School
Research lead on voluntary carbon market integrity. Designed the project-level due diligence framework used in the Verdant marketplace.
Dr. Ingrid Holmberg
Supply Chain Emissions · Chalmers University
Specialises in Scope 3 category 1 and 11 modelling. Authored the ISO 14064-1 guidance note that informed Verdant's Scope 3 calculation engine.
Prof. Yaw Darko
Forest Carbon & Land Use · ETH Zurich
Advises on the additionality and permanence assessment process for forest conservation and afforestation projects in the marketplace.
Impact reports and methodology notes
Verdant publishes its measurement methodology in full, along with market analysis and client impact reports.
2026-02-28
Verdant 2025 Impact Report: 240M tonnes measured across 94 countries
Our annual review of emissions measured, offsets retired, and reductions achieved across the Verdant client base.
Read more →2026-01-15
How we calculate Scope 3 Category 11 for SaaS companies
Category 11 — use of sold products — is the hardest Scope 3 category for technology companies. Here is our approach.
Read more →2025-11-07
The case for project-level offset purchasing over blended baskets
Blended carbon baskets obscure the quality variance between projects. Why we built the marketplace the way we did.
Read more →