Remember those massed tree planting campaigns? While the idea has utility it must be appropriate to the locality where it is being done. This means native plants, putting trees where they were in the Holocene, and not putting trees on top of healthy landscapes like bogs.
Now we must consider the albedo of trees as well. The study is linked in the article and is open access: https://e360.yale.edu/digest/tree-planting-climate-change-albedo