Controversial take on tree planting: Pearce argues that tree planting is problematic and that forests should be given space and time to heal on their own. We are all connected by trees: We often think of saving only our local trees. Pearce shows that we must think globally; humans depend on forests everywhere to keep our planet cool, breathable, and livable.  Indigenous knowledge: Pearce interviews Indigenous peoples who live in and depend on the forests he writes about and