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.

September 23, 2017 – A Couple of PhDs Talking Tree Extinction

Mike and Peggy cover ever a little bit of everything green under the sun—the environment, gardening, local food, sustainable living and more—in a style that is casual, accessible, entertaining, informative and fun.

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September 23, 2017 – A Couple of PhDs Talking Tree Extinction

September 23, 2017 – A Couple of PhDs Talking Tree Extinction