> The cost of undoing the emissions only sets the price on CO2 emissions if that cost is lower than the cost of enduring the damage associated with not undoing

> The cost of undoing the emissions only sets the price on CO2 emissions if that cost is lower than the cost of enduring the damage associated with not undoing them. That's correct. that's why parent poster said "assuming the right legislation forcing them to do so is in place". The cost of enduring the damage would be fines and/or jail time.