| Pathway | Enhanced Weathering |
|---|---|
| Method | Enhanced Rock Weathering |
| Country | United States |
| Website | https://www.lithoscarbon.com/ |
| lithoscarbon | |
| Status | π’ Active (score: 80/100) β verified via isometric issuance on 2026-05-22 |
| Company size | Small (10 to 49) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDI Portfolio | yes |
| CDR Focus | supplier |
| Registry-verified | Isometric (last issuance: 2026-05-22) |
About
Lithos Carbon is a San Francisco-based pure-play CDR supplier using Enhanced Rock Weathering by applying crushed basalt rock dust to US farmland to permanently remove CO2 while improving soil health and crop yields. The company has a $57.1M Frontier offtake and a multi-year Microsoft deal, and in December 2025 delivered 5,160 registry-certified tonsβreportedly the largest ERW issuance to date.
Registry Activity
Independently verified by carbon-credit registries:
Isometric
- 1 project Β· Rock Weathering Β· 1,602 tCOβ issued Β· first issued 2026-05-22 Β β
Data from Puro.earth and CarbonPlan OffsetsDB (Verra, Gold Standard, ACR, CAR, ART, Cercarbono, Isometric). Refreshed monthly.
Registry Memberships
- Puro.earth
- Cdrjobsearth
History
- 2026-10-15 β refresh: coresignal
- 2026-10-15 β refresh: coresignal
- 2026-10-12 β news mention: NULIFE GreenTech: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-09-25 β news mention: Evidence of rapid basalt dissolution in Southeastern US croplands (source)
- 2026-09-15 β refresh: coresignal, screenshot
- 2026-09-06 β news mention: NULIFE GreenTech: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-09-06 β news mention: Frontier Climate: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-09-03 β news mention: Lithos: Lithos Carbon has successfully issued 5,160 registry-certified tons of carbon dioxide remova (source)
- 2026-09-03 β news mention: Lithos: The original Frontier AMC has been nothing short of category-defining for CDR. This new Grow (source)
- 2026-08-30 β news mention: NULIFE GreenTech: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-08-29 β news mention: Frontier Climate: Four years ago, it was still an open question whether rocks would weather fast eno (source)
- 2026-08-29 β news mention: Frontier Climate: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-08-27 β news mention: Lithos Carbon: Lithos Carbon has successfully issued 5,160 registry-certified tons of carbon dioxide (source)
- 2026-08-27 β news mention: Lithos: Four years ago, it was still an open question whether rocks would weather fast enough to rem (source)
- 2026-08-19 β news mention: Lithos Carbon: Γ°ΒΒͺΒ¨ Lithos has issued our first batch of Isometric -verified carbon removal credits (source)
- 2026-08-19 β news mention: Lithos Carbon: Today weΓ’ΒΒre announcing that Frontier has raised an additional $915M for carbon remo (source)
- 2026-08-17 β news mention: Megatrends One Year Later β #9: Climate-Positive Technologies β What I Predicted, and Whatβs Actuall (source)
- 2026-08-15 β refresh: coresignal
- 2026-08-14 β news mention: Pol Knops (@polknops.bsky.social) at the Carbon Drawdown Initiative ran basalt-amended plots for nea (source)
- 2026-08-13 β news mention: Graphyte: Midway through the year and happy to report that the Frontier portfolio has removed 30,600 (source)
- 2026-08-12 β news mention: CDR.fyi: π¨ A slow July with ~22,000 tonnes contracted. π Following a step down in June, July saw a s (source)
- 2026-08-01 β news mention: NULIFE GreenTech: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-07-30 β news mention: Graphyte: Midway through the year and happy to report that the Frontier portfolio has removed 30,600 (source)
- 2026-07-29 β news mention: Lithos Carbon: Four years ago, it was still an open question whether rocks would weather fast enough (source)
- 2026-07-29 β news mention: Lithos: Lithos Carbon has successfully issued 5,160 registry-certified tons of carbon dioxide remova (source)
- 2026-07-29 β news mention: Lithos: The original Frontier AMC has been nothing short of category-defining for CDR. This new Grow (source)
- 2026-07-25 β news mention: NULIFE GreenTech: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-07-24 β news mention: Frontier Climate: Four years ago, it was still an open question whether rocks would weather fast eno (source)
- 2026-07-24 β news mention: Frontier Climate: Midway through the year and happy to report that the Frontier portfolio has remove (source)
- 2026-07-22 β news mention: Lithos: πͺ¨ Lithos has issued our first batch of Isometric -verified carbon removal credits from the e (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.