If you can bury tonnes personally on the order of years then you're operating on a scale where it can contribute to undoing the harm providing we solve the caus

If you can bury tonnes personally on the order of years then you're operating on a scale where it can contribute to undoing the harm providing we solve the cause of the problem first. If regenerating all the devestated agricultural land can sequester a hundred billion tonnes, then that makes for 10 or 20% less total to remove.