Trees Speak: What Are They Saying?

- 4:14

Amy Hessl, West Virginia University


Sep 25, 2019

Amy Hessl,Ph.D., Professor Of Geography at West Virginia University, talks about how ancient trees, dating back to the 1st Milennium, tell us a lot about what was going on in the climate then and what it tells us about what is going on now. Eric Minor hosts.

Hosted by: Eric Minor Produced by: Keystone Newsmakers Team

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