Green Sequest
Green Sequest removes carbon dioxide from the atmosphere using ex-situ Enhanced Rock Weathering on managed areas, permanently storing carbon in stone to deliver durable, long-term climate impact.
About Green Sequest
Founded in 2022 Green Sequest removes carbon dioxide from the atmosphere using ex-situ Enhanced Rock Weathering on managed lands. The company deploys antigorite serpentinite a naturally powerful CO₂-capturing rock to permanently store carbon in stone. This approach delivers a durable, scalable carbon-removal solution designed to support long-term climate impact.



