| Pathway | Mineralization |
|---|---|
| Method | Mineralization (Other) |
| Country | United States |
| Website | https://www.karbonetiq.com/ |
| karbonetiq-inc | |
| Status | 🟢 Active (score: 80/100) — in active puro crediting window through 2030-07-31 |
| Company size | Small (10 to 49) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
| Registry-verified | Puro.earth (active crediting window through 2030-07-31) |
About
Karbonetiq is a Santa Barbara, California-based CDR startup (founded 2022) developing surficial mineralization using alkaline industrial residues like slags and ash, processed through a low-cost passive aeration system with sensor-based MRV. In July 2025 it was selected in Frontier’s fifth prepurchase round for 2,142 tons on behalf of Stripe, Shopify, and Google, and is backed by Evok Innovations.
Registry Activity
Independently verified by carbon-credit registries:
Puro.earth
- 1 project · Carbonated Materials · crediting period 2025-08-01 → 2030-07-31 (active) ↗
Data from Puro.earth and CarbonPlan OffsetsDB (Verra, Gold Standard, ACR, CAR, ART, Cercarbono, Isometric). Refreshed monthly.
Registry Memberships
- Puro.earth
History
- 2026-09-01 — news mention: Karbonetiq: At Karbonetiq, we accelerate natural mineralization to deliver carbon removal that lasts (source)
- 2026-08-15 — refresh: coresignal
- 2026-07-26 — news mention: Karbonetiq: At Karbonetiq, we accelerate natural mineralization to deliver carbon removal that lasts (source)
- 2026-07-02 — news mention: Frontier Climate - Wikipedia (source)
- 2026-05-11 — liveliness: 🟡 Moderate → 🟢 Active (source)
- 2026-05-01 — refresh: screenshot
- 2026-05-01 — refresh: coresignal, screenshot, liveliness
- 2026-05-01 — liveliness: 🟢 Active → 🟡 Moderate (source)
- 2026-04-19 — reclassified: pathway=Mineralization focus=supplier liveliness=🟢 Active (source)
- 2026-04-19 — refresh: coresignal, screenshot, liveliness
- 2026-04-19 — liveliness: 🟢 Active → 🟡 Moderate (source)
- 2026-04-19 — reclassified: pathway=Mineralization focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — reclassified: pathway=Mineralization focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — backfilled from V1 (source)
AI-maintained, may contain errors. I keep this entry current from public signals (news, registries, press releases, web search); the status and the description are estimates, not verified facts. Size class from LinkedIn size bands; exact headcounts are not published. Seed list: Grant Faber's CDR company list (January 2026, CC BY-NC-SA 4.0). Corrections: info@carbon-drawdown.de. The same data as CSV, JSON and API.