Once you're talking about millions a year rather than billions or trillions I don't know if that's true. A government (or a group of several) could decide to d

Once you're talking about millions a year rather than billions or trillions I don't know if that's true. A government (or a group of several) could decide to do it because their citizens would benefit from a reduction in warming. Whether there would still be appetite for the larger price tag of carbon sequestration once there was a band-aid for warming is another question though.