Carbon removal knowledge gaps

Explore a database of 100+ knowledge gaps across the field of durable carbon removal. Find relevant gaps using the filters, add/edit/upvote gaps, and take action to fill them.

This database includes questions that, if addressed, could improve existing carbon removal approaches or lead to entirely new approaches. Please liberally edit existing gaps, or let us know about gaps that are missing altogether. Questions? Interested in collaborating on these problems? Email us at