| Pathway | Biochar |
|---|---|
| Country | United States |
| Website | https://greenstatebiochar.com/ |
| green-state-biochar | |
| Status | 🔴 Likely Dead (score: 15/100) |
| Company size | Micro (under 10) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
About
Green State Biochar is a Vermont-based company in Greensboro Bend founded by Roger and Donna Pion and Luke Persons, producing biochar from wood waste purchased at local Northeast Kingdom sawmills. Their machine produces roughly 450 pounds of biochar in a 7-hour period, which they use in on-farm filtration units to prevent manure-pit runoff and sell directly to consumers, farmers and researchers. The company operates at bench scale and is not listed in major CDR registries.
History
- 2026-10-15 — refresh: coresignal
- 2026-09-15 — refresh: screenshot
- 2026-05-01 — refresh: screenshot
- 2026-05-01 — refresh: screenshot, liveliness
- 2026-05-01 — liveliness: 🟡 Moderate → 🔴 Likely Dead (source)
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟡 Moderate (source)
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟡 Moderate (source)
- 2026-04-19 — refresh: screenshot, liveliness
- 2026-04-19 — liveliness: 🟠 Suspect → 🔴 Likely Dead (source)
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟠 Suspect (source)
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟠 Suspect (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.