Consider Planting Trees.

https://www.vice.com/en_ca/article/bjwa4d/theres-never-been-a-better-time-to-get-into-tree-planting?utm_campaign=sharebutton&fbclid=IwAR1mUd2wKDhnI6l0dHJVax3xAWyX9YNEqaB4fpBj1Tk6CCmKRUaq6Xz2UTI