Climeworks addressed that question here: https://www.facebook.com/climeworks/posts/we-often-receive-questions-like-why-dont-you-just-plant-trees-or-wont-this-t

Climeworks addressed that question here: https://www.facebook.com/climeworks/posts/we-often-receive-questions-like-why-dont-you-just-plant-trees-or-wont-this-take-/1610136359031827/ https://www.facebook.com/climeworks/posts/we-often-receive-q... The short version is: We should be doing all the things. Growing trees is cost-effective but requires a lot of land and water, which we don't have infinite supplies of.