Back to trees...

I had this book on a plane! It was a library book.

https://www.washingtonpost.com/opinions/the-subtle-communication-skills-of-trees/2016/10/05/e70f87a8-73c3-11e6-be4f-3f42f2e5a49e_story.html

Vamos a ver...

https://www.oregonlive.com/environment/2019/07/massive-tree-planting-effort-could-save-planet-climate-change-research-finds-but-its-too-early-to-take-it-as-gospel.html