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It is possible and there are several demonstration projects running. In Europe, the carbfix project quotes a price of $24.8/ton for carbon sequestration. Geothermal power is used to pump the CO2 underground, so no energy from fossil fuel is required. There are concerns about the available capacity for storage using these mechanisms, and the pumping process ...


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Of course ,but it would be very expensive and there would be the earthquakes. Consider that many blame fracking for earthquakes ; fracking lasts a matter of days then pressure is released and water/oil is pumped out. To sequester CO2 would involve pumping into the same or similar formations for years, so presumably cause earthquakes. There would be some good ...


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