Toby talks with Lucy Kerhoulas, a professor of Forest Ecophysiology at Humboldt Polytechnic Institute, about the redwood trees, their biology, the inspiration and wonder they inspire, and new challenges they face as a species in our era of climate change.

Bonus: Interviewing Darryl Cherney
32:25

Bonus: Judi's Trial with Josh Morsell
36:29

Bonus: 'City of Wood' with James Michael Buckley
37:02