What happens when lots of trees die at the same time?

Sentinel High School | Missoula, MT
June 5, 2013

A significant number of older trees are dying in Missoula, a western city in Montana. Students of Sentinel High School talk to a local tree advocate to understand why this is happening and to discuss possible solutions.

This video was produced with mentor support from local PBS station MontanaPBS, and is a partnership with the National Science Foundation.