Tree Rings w/ Valerie Trouet
In this episode of Talk Nerdy, Cara is joined by University of Arizona dendrochronologist Dr. Valerie Trouet to talk about her new book, "Tree Story: The History of the World Written in Rings." They talk about the mysteries of planet Earth lying deep within the rings of trees, revealing evidence of climate change, wildfires, hurricanes, and even human activity. Follow Valerie: @epispheric.