| Pathway | Enhanced Weathering |
|---|---|
| Secondary pathways | Biochar |
| Method | Enhanced Rock Weathering |
| Country | Indonesia |
| Website | https://www.tambora.asia |
| tamboracdr | |
| Status | π΄ 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
Tambora Carbon Removal (TCR) is an Indonesian CDR startup scaling Enhanced Rock Weathering and biochar in partnership with agribusinesses, mining companies, and smallholder farmers across Asia to generate high-quality carbon credits while improving soil health. In April 2025 the company signed a CDR offtake agreement with a US-based asset management firm for 4,400 removal credits. The company’s website is live and actively describes its ERW and biochar operations.

History
- 2026-09-15 β refresh: coresignal
- 2026-05-01 β refresh: screenshot
- 2026-05-01 β refresh: coresignal, screenshot, liveliness
- 2026-05-01 β liveliness: π‘ Moderate β π΄ Likely Dead (source)
- 2026-04-19 β reclassified: pathway=Enhanced Weathering focus=supplier liveliness=π‘ Moderate (source)
- 2026-04-19 β merged 1 duplicate(s): Tambora Carbon Removal
- 2026-04-19 β refresh: coresignal, screenshot
- 2026-04-19 β reclassified: pathway=Enhanced Weathering focus=supplier liveliness=π‘ Moderate (source)
- 2026-04-19 β url added from cdr.fyi supplier page: https://www.tambora.asia/ (source)
- 2026-04-19 β discovered via: cdrfyi (source)
- **** β merged duplicate: Tambora Carbon Removal (slug=tambora-carbon-removal)
- 2026-04-19 β refresh: coresignal, screenshot, liveliness
- 2026-04-19 β liveliness: π’ Active β π Suspect (source)
- 2026-04-19 β reclassified: pathway=Enhanced Weathering focus=supplier liveliness=π’ Active (source)
- 2026-04-19 β reclassified: pathway=Enhanced Weathering focus=supplier liveliness=π’ Active (source)
- 2026-04-18 β 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.