Скачать или смотреть Unearthing Rocks' Potential to Fight Climate Change | Meet the Finalists | XPRIZE Carbon Removal

Episode 2 of the XPRIZE Carbon Removal docuseries delves into how innovators are tapping into the power of rocks to combat climate change.

Out of the six finalists competing in the Land track, four teams are pioneering ERW, a process that accelerates the natural reaction between CO2, water, and crushed rock to store carbon. While the core chemistry remains the same, each team’s approach is tailored to its geography, rock type, and mineral sources. Two other teams are innovating beyond ERW, exploring direct mineralization and mine tailing optimization to capture and store CO2 at scale.

Lithos Carbon (Durham, North Carolina, USA): Lithos sources mine tailings containing basalt rock and applies finely crushed dust to surrounding farms, using precision science to maximize carbon removal and track CO2 uptake.

Mati Carbon (Kanpur, India): Unlike other ERW teams, Mati works with basalt from the Deccan Traps, one of the world’s largest lava flows, spreading it across smallholder rice farms to remove CO2 while supporting local agriculture.

UNDO (Stirling, Scotland): UNDO partners with quarries to scale basalt-based ERW by integrating it into existing agricultural practices—expanding deployment across farms and tracking long-term carbon storage.

Silicate (Kilkenny, Ireland): Instead of using fresh basalt, Silicate leverages fast weathering carbonate-bearing materials, such as limestone and returned concrete—creating a carbon removal solution that removes CO2 rapidly, while enhancing soil productivity and pH.

Arca (Perth, Australia): Instead of spreading crushed rock on farmland, Arca is speeding up natural mineralization at mining sites. Their autonomous rovers move across piles of mine waste, adjusting moisture and surface conditions to help the rock absorb CO2 more efficiently.

Yuanchu Technology (China): Yuanchu is pioneering Direct Air Mineralization (DAM), a process that captures CO2 directly from the air and converts it into stable, solid carbonates that remain locked away for over 1,000 years—offering a durable and scalable path to gigatonne-scale removal.

See how the XPRIZE Carbon Removal competition is driving innovation in geological carbon removal for a more sustainable future.

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