The Secret Language of Trees

Trees talk to each other, and even form alliances with other trees or other species. Some are incredibly old — the root mass of aspens might live 100,000 years. In this hour, we explore the science and history of trees.

Guests:

• Mark Hirsch

• Richard Powers

• Suzanne Simard

• Amos Clifford

• Daegan Miller

Interviews:

• A Year In The Life Of A Tree

• Listening to the Mother Trees

• Writing the Inner Life of Trees

• Bathing in the Beauty of the Trees

• General Sherman, Karl Marx, and Other Aliases of Earth's Largest Tree