View original ↗on crewcarbon.com
deal · 4 August 2026
Microsoft ↔ CREW Carbon
Microsoft: a firm purchase of 23,602 t of ocean alkalinity enhancement removal from CREW Carbon.
BuyerMicrosoft
SupplierCREW Carbon
Tonnes23,602 t
Capture pathwayOcean alkalinity enhancement
Storage mediumocean-dissolved
Durabilityconventional, under 100 years
Durability basisseed-curated
Commitment typefirm
Extraction notesPage wording: an 'offtake agreement' for 'delivery of up to 23,602 durable, verified carbon removal units (CRUs) from CREW's patented wastewater alkalinity enhancement (WAE) technology'. 'up to' means the figure is a ceiling, so tonnes_min is null and tonnes_max is 23602. PATHWAY NEEDS A HUMAN CALL: wastewater alkalinity enhancement has no dedicated code in the v1.1 taxonomy and the page never say
Oae variantwastewater
Pathway noteWAE classed under oae by owner decision 2026-08-14
Approved noteowner call 2026-08-27: this is the latest OAE deal
Also reported by cdr.fyi ↗
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