View original ↗on sustainabilitymag…
deal · 1 January 2024
Microsoft ↔ Lithos Carbon
Microsoft: a firm purchase of 11,400 t of enhanced rock weathering (agricultural) removal from Lithos Carbon.
BuyerMicrosoft
SupplierLithos Carbon
Tonnes11,400 t
Capture pathwayEnhanced rock weathering (agricultural)
Storage mediumsoil
Commitment typefirm
Deal structureofftake
Source pathway descriptionEnhanced rock weathering involving spreading crushed basalt over farmland, where it mixes with rainwater and atmospheric carbon to create atoms that spread into waterways. Monitoring includes high-density soil sampling, advanced laboratory analytics, AI-powered predictive modelling tools and water runoff samples.
Delivery windowthree-year contract
NotesContract signed in 2024 following initial pilot project. Article dated January 29, 2026.
Durability defaultedtrue
Previous durabilitydurable-1000y
Previous durability basispathway-default
Durability notePathway default removed; duration requires source evidence
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