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deal · 15 April 2026
Bain & Company ↔ Mast Reforestation
Bain & Company: a firm purchase of 4,277 t of terrestrial biomass burial/vaulting removal from Mast Reforestation.
BuyerBain & Company
SupplierMast Reforestation
Tonnes4,277 t
Capture pathwayTerrestrial biomass burial/vaulting
Storage mediumgeological
Commitment typefirm
Deal structureofftake
Source pathway descriptionBiomass burial of wildfire-killed trees in engineered underground chamber designed for long-term carbon storage under Puro.earth's Terrestrial Storage of Biomass (TSB) methodology
Storage descriptionMore than 10 million pounds of wildfire-killed trees buried in engineered underground chamber with monitoring guaranteed for next century; durability certified for 100 years
Delivery windowCredits issued January 2026
Project locationSouthern Montana, Poverty Flats Fire site
VerificationPuro.earth registry with third-party validation; BeZero Carbon A rating
NotesMT1 project sold 100% of 4,277 biomass burial carbon removal credits less than six weeks after issuance in January 2026. Other buyers include Royal Bank of Canada (RBC), CNaught, and Muir AI. Largest issuance to date under Puro.earth TSB methodology. Nine-month project development timeline. BMO also listed as buyer in headline and body text.
Durability defaultedtrue
Previous durabilitydurable-1000y
Previous durability basispathway-default
Durability notePathway default removed; duration requires source evidence
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