'Charm’s mission is to return the atmosphere to 280 ppm CO2 profitably'. i.e., 2,130,000,000 metric tons of CO2 (= 1ppm) * (410ppm - 280ppm) or some 276 giga t

'Charm’s mission is to return the atmosphere to 280 ppm CO2 profitably'. i.e., 2,130,000,000 metric tons of CO2 (= 1ppm) * (410ppm - 280ppm) or some 276 giga tons. Evidently a modest goal.