deal · 1 January 2025

SkiesFifty ↔ Gigablue

SkiesFifty: a firm purchase of 200,000 t of other emerging (escape hatch; 3 records on the same thing → new code) removal from Gigablue.

BuyerSkiesFifty

SupplierGigablue

Tonnes200,000 t

Capture pathwayOther emerging (escape hatch; 3 records on the same thing → new code)

Storage mediumunknown

Commitment typefirm

Deal structureofftake

Source pathway descriptionMarine Carbon Fixation and Sequestration (MCFS) methodology. Process that uses the power of photosynthesis leveraging phytoplankton to convert carbon into organic matter and remove it from the atmosphere and export it to the bottom of the ocean. Proprietary substrate ('tiny pellet') acts as optimal environment for local phytoplankton to grow and convert carbon into organic matter, capturing CO2 in

Storage descriptionCarbon durably returned to ocean sediments, safely sequestering carbon for thousands of years.

Delivery window2024-2028 (four-year delivery period)

VerificationPuro.earth

NotesPre-purchase agreement. Largest mCDR transaction to date. Financial terms undisclosed. Gigablue launched first MCFS methodology for public consultation with Puro.earth as of July 2025.

Durability defaultedtrue

on the record, owner-reviewed · discovered via carbon-removal-updates · extracted 2026-08-28

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More: Gigablue · Other emerging (escape hatch; 3 records on the same thing → new code)