| Pathway | Biochar |
|---|---|
| Secondary pathways | Enhanced Weathering |
| Method | Enhanced Rock Weathering |
| Country | Uganda |
| Website | https://www.stackcarbon.earth/ |
| stackcarbon | |
| Status | 🟢 Active (score: 75/100) |
| Company size | Micro (under 10) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
About
Stack Carbon Investments UG Ltd is a Ugandan climate-tech company developing the Nile Char Carbon Removal Project, a large-scale biochar facility in mid-western Uganda that converts agricultural waste into biochar-based fertilizer. The company also works on Enhanced Rock Weathering using crushed basalt applied to farmlands. In January 2026 it signed an MoU with Jiaxing Tongao (China) and TerraCapX (Norway) for a USD $12M facility targeting Q3 2026 commercial operations.

History
- 2026-09-28 — news mention: Stack Carbon: ðð¨ððð² ð¦ðð«ð¤ð¬ ð ðððð¢ð§ð¢ð§ð ð¦ð (source)
- 2026-09-15 — refresh: coresignal, screenshot
- 2026-08-24 — news mention: Super Biochar: 📰Weekly Carbon Removal Bulletin📰 Here’s your roundup of top #CarbonDioxideRemoval upd (source)
- 2026-08-23 — news mention: Stack Carbon: 📰 This week saw some huge developments in durable CDR, as Microsoft bought 23,602 tonn (source)
- 2026-08-16 — news mention: Stack Carbon: ðð¨ððð² ð¦ðð«ð¤ð¬ ð ðððð¢ð§ð¢ð§ð ð¦ð (source)
- 2026-08-16 — news mention: Stack Carbon: Abundant feedstock, ideal weather, 1,500+ farmers collaborating and a design that meet (source)
- 2026-08-16 — news mention: Stack Carbon: ð° This week saw some huge developments in durable CDR, as Microsoft bought 23,602 t (source)
- 2026-08-12 — news mention: CDR.fyi: 📰 This week saw some huge developments in durable CDR, as Microsoft bought 23,602 tonnes of (source)
- 2026-08-08 — news mention: Stack Carbon: Today marks a defining milestone for STACK CARBON We are proud to announce that we hav (source)
- 2026-08-03 — news mention: Uganda’s Stack Carbon signs major carbon credits deal | Latest Market News (source)
- 2026-08-01 — news mention: Stack Carbon: ðð¿ð¼ð»ðð¶ð²ð¿ has announced an additional $ðµðð± ðºð¶ð (source)
- 2026-05-01 — refresh: screenshot
- 2026-05-01 — refresh: coresignal, screenshot
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟢 Active (source)
- 2026-04-19 — refresh: coresignal
- 2026-04-19 — reclassified: pathway=Biochar focus=supplier liveliness=🟢 Active (source)
- 2026-04-18 — reclassified: pathway=Biochar 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.