| Pathway | Enhanced Weathering |
|---|---|
| Method | Enhanced Rock Weathering |
| Country | United States |
| Website | https://metalplant.com/ |
| phytomining | |
| Status | 🟢 Active (score: 65/100) |
| Company size | Medium (50 to 249) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
About
Metalplant is a US-domiciled startup with field operations in northern Albania that integrates enhanced rock weathering of olivine with nickel phytomining using hyperaccumulator plants (Odontarrhena chalcidica) to co-produce carbon removal credits and carbon-negative nickel (“NegativeNickel”). The company has raised ~$3.7M in venture funding and was awarded $1.72M by ARPA-E in partnership with Verinomics to scale phytomining in the US.
History
- 2026-09-15 — refresh: coresignal, screenshot, liveliness
- 2026-09-15 — liveliness: 🟠 Suspect → 🟢 Active (source)
- 2026-07-15 — liveliness: 🟡 Moderate → 🟠 Suspect (source)
- 2026-05-01 — liveliness: 🟢 Active → 🟡 Moderate (source)
- 2026-05-01 — refresh: screenshot
- 2026-05-01 — refresh: coresignal, screenshot
- 2026-04-19 — nulled Coresignal enrichment — LinkedIn slug ‘phytomining’ clearly not the same company; employee count 204 inflated
- 2026-04-19 — reclassified: pathway=Enhanced Weathering focus=supplier liveliness=🟢 Active (source)
- 2026-04-19 — refresh: coresignal, screenshot
- 2026-04-19 — reclassified: pathway=Enhanced Weathering focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — reclassified: pathway=Enhanced Weathering 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.