Head into the high country of the Rocky Mountains of Montana and Canada to examine the imperiled whitebark pine. A native pest and an exotic disease are rapidly turning these vital trees into ghost forests. Land managers face an uphill battle to restore the species.

Ghost Forests

Premiered October 05, 2021
Ghost Forests

Head into the high country of the Rocky Mountains to examine the imperiled whitebark pine and meet the people determined to save it. Forest managers face an uphill battle to restore it before it's too late. Meet tree climbers collecting cones in Canada's national parks and a University of Montana scientist whose promising discovery could help harness genetic resistance to save the tree.

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