Planting trees is more expensive than you think! You have to buy the land, maintain it, actually physically plant the trees ( which is rather labor intensive).

Planting trees is more expensive than you think! You have to buy the land, maintain it, actually physically plant the trees ( which is rather labor intensive). Plants are a relatively low density place to store carbon ( compared to say carbonate rock). It’s not at all clear that planting trees is a good way to sequester carbon.