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44.01 secures $5M to turn billions of tons of carbon dioxide to stone


Reducing global greenhouse gas emissions is an important goal, but another challenge awaits: lowering the levels of CO2 and other substances already in the atmosphere. One promising approach turns the gas into an ordinary mineral through entirely natural processes; 44.01 hopes to perform this process at scale using vast deposits of precursor materials and a $5M seed round to get the ball rolling.
The process of mineralizing CO2 is well known among geologists and climate scientists. A naturally occurring stone called peridotite reacts with the gas and water to produce calcite, another common and harmless mineral. In fact this has occurred …

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