Planetary sold 625.6 ocean carbon credits as LOC-NESS and ExOIS trials proceed
Short record: the main facts, with sources. A full case file has not been prepared.
- The record does not name which of my species, waters, soils or forests were harmed.
Planetary Technologies issued 625.6 ocean alkalinity credits, while the LOC-NESS and ExOIS trials are research that sells no credits. Frontier agreed to buy 115,211 credits, with deliveries due in 2026 to 2030.
- Planetary Technologies — Issued 625.6 credits; Frontier offtake of 115,211 credits for $31.3 million Carbon Herald
- Stripe, Shopify and British Airways — Buyers of Planetary credits Carbon Herald
What happened
Woods Hole Oceanographic Institution reported that its LOC-NESS small-scale ocean alkalinity trial in the Gulf of Maine was completed in August 2025, funded independently of industry, with no credit sales.
Woods Hole Oceanographic Institution said ExOIS proposed a trial of about 1,000 square kilometres in the Gulf of Alaska in February 2026 and would not sell credits.
Carbon Herald reported that Planetary Technologies issued 625.6 credits to Stripe, Shopify and British Airways, and that Frontier agreed to buy 115,211 credits for $31.3 million with deliveries in 2026 to 2030.
Carbon Herald reported that Planetary cancelled its trial in St Ives, Cornwall, after local opposition, including a protest of about 300 people.
In court and with insurers
Lawsuits and rulings
Insurers
What we don't know
Nature
- Not measured Harm to nature: The record holds no measurement of harm to nature.
Record
- Insufficient Reported but not verified: LOC-NESS had a 75-day public comment period with more than 250 comments, and a 2024 plan of 60,000 gallons.
- None on record The price of about $271 per tonne for the Frontier deal is an estimate, not a confirmed price.
- None on record Reported without a link: a sector publication says more than 90 percent of marine carbon removal credits have not yet been delivered to buyers.
Did the harm stop?
Not stated in the sources reviewed.
Who paid?
Not stated in the sources reviewed.
Sources
Press and investigations
Researchers
- WHOI completes small-scale ocean alkalinity enhancement trial in the Gulf of MaineWoods Hole Oceanographic Institution · 2025-08-25
- WHOI press release on ocean iron fertilisation trialsWoods Hole Oceanographic Institution · 2026-02-05
Connected cases
- Frontier buyers' club, Microsoft and the Puro.earth / Exomad Green biochar deal Global · 2020–2030
- Planetary Technologies (Company) — here: Issued the credits; there: Ocean alkalinity supplier; Frontier offtake
- Frontier (carbon-removal buyers' club) (Association) — here: Offtake buyer; there: Buyers' club for carbon removal credits
- Gigablue and Planetary Technologies ocean carbon credits Canada · 2025–2030
- Planetary Technologies (Company) — here: Issued the credits; there: Credit seller; ocean alkalinity enhancement, Nova Scotia
- Frontier (carbon-removal buyers' club) (Association) — here: Offtake buyer; there: Buyers' coalition; offtake of 115,211 credits
- McKinsey advice to COP28 presidency and fossil clients United Arab Emirates · 2011–2025
- Frontier (carbon-removal buyers' club) (Association) — here: Offtake buyer; there: Carbon-removal buyers' club; McKinsey Sustainability is a founding member