In this episode, host Tamara Dean talks with Valerie Trouet, Gretel Boswijk, and Malcolm Hughes, dendrochronologists whose stories appear in a new book, In the Circle of Ancient Trees. They describe what we can learn from earth's ancient beings; share secrets that tree rings reveal about climate, culture, and history; and indicate how such information could help us plan for future climate resilience.

Music: "Liftoff," by Nature Connection.

Illustration by Blaze Cyan excerpted from In the Circle of Ancient Trees by Valerie Trouet. Used with permission from Greystone Books.