View original ↗on planetarytech.com
deal · 16 June 2025
Stripe ↔ Planetary Technologies
Stripe: a firm purchase of 625.6 t of ocean alkalinity enhancement removal from Planetary Technologies.
BuyerStripe (stated as Stripe, Shopify, and British Airways)
SupplierPlanetary Technologies (stated as Planetary)
Tonnes625.6 t
Capture pathwayOcean alkalinity enhancement
Storage mediumocean-dissolved
Commitment typefirm
Deal structureofftake
Source pathway descriptionOcean Alkalinity Enhancement (OAE). Adding finely ground, naturally alkaline minerals to coastal waters to restore the ocean's natural ability to absorb carbon dioxide from the atmosphere. The process reduces ocean acidity and triggers neutralization of excess carbonic acid, causing the ocean to draw down more CO₂ from the air. Carbon removal is stored as stable bicarbonates in the ocean for tens
Storage descriptionLong-term carbon removal stored as stable bicarbonates in the ocean for tens of thousands of years.
Delivery windowDelivered (verified credits issued as of June 16, 2025)
Project locationTufts Cove, Halifax, Nova Scotia, Canada
VerificationIsometric (using Isometric's industry-first OAE protocol for monitoring, reporting, and verification)
NotesThese are the first-ever independently verified carbon removal credits from Ocean Alkalinity Enhancement. Planetary dosed 1103.2 tonnes of alkalinity sourced from industrial byproducts. The project operated under Canadian regulatory oversight with environmental safeguards and frequent monitoring. Buyers are listed as a coalition: Stripe, Shopify, and British Airways. Credits verified on the Isomet
Durability defaultedtrue
Previous durabilitydurable-1000y
Previous durability basispathway-default
Durability notePathway default removed; duration requires source evidence
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