Exterra Carbon Solutions
Updated: September 21, 2026

Founders: David Fennell, Olivier Dufresne
Country: Canada | Funding: CA$23.4M (+)
Founded: 2021
Website: https://exterracarbon.com/
Exterra is a negative emissions technology company developing a world class solution for durable CO2 storage using mineral waste.
Founded: 2021
Website: https://exterracarbon.com/
Exterra is a negative emissions technology company developing a world class solution for durable CO2 storage using mineral waste.






