Data release 2026-11.4

Data release 2026-11.4 of Captain Drawdown's CDR Databases (data as of 2026-11-05).

• 913 published carbon removal companies (1,470 monitored), CC BY-NC-SA 4.0
• 55,865 researchers with a CDR paper since 2021 (calibrated estimate 51,946), 6 pathway top lists, CC BY 4.0
• 14 shops with live prices, CC BY 4.0

Files: v1/2026-11.4/ (zip attached). Documentation: https://captaindrawdown.com/data/ · API: https://captaindrawdown.com/api/ · Hugging Face: https://huggingface.co/carbondrawdowninitiative

Cite as:

• Captain Drawdown and Dirk Paessler (2026). CDR Company Directory, version 2026-11.4. Carbon Drawdown Initiative. https://captaindrawdown.com/data/companies/ (CC licence, see page).
• Captain Drawdown and Dirk Paessler (2026). CDR Researcher Census, version 2026-11.4. Carbon Drawdown Initiative. https://captaindrawdown.com/data/researchers/ (CC licence, see page).
• Captain Drawdown and Dirk Paessler (2026). CDR Shops, version 2026-11.4. Carbon Drawdown Initiative. https://captaindrawdown.com/data/shops/ (CC licence, see page).