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Xprize Carbon awarded to a dirt-simple carbon-removal technology
Mati Carbon walked away with the $50 million grand prize for its enhanced rock weathering program that locks carbon in soils for thousands of years.
The runners up were NetZero, which produces biochar; Vaulted Deep, which processes and buries waste biomass; and Undo Carbon, another enhanced rock weathering startup. Mati also beat finalists that spanned a range of technologies, from direct air capture to ocean alkalinity enhancement. As its database grows and its models improve in accuracy, Mati expects it’ll need far fewer samples.
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