September 23, 2017 – A Couple of PhDs Talking Tree Extinction
Podcast: Play in new window | Download (Duration: 52:22 — 24.0MB)
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Some of our iconic ash and oak species are on the brink of extinction. Dr. Murphy Westwood from The Morton Arboretum and Dr. Rex Bastian from Davey Tree Experts talk about why that has happened and what we do to save them.