In the Americas With David Yetman

Season 9, Episode 4 of 10

It's our largest national park larger than New England and one-third of it is ice. One glacier is 137 miles long. The park contains active volcanoes. Its rivers of icemelt are home to salmon runs that have supported native peoples for thousands of years. Yet the glaciers are melting, and forests are drying. The park has become an enormously important natural laboratory.

Previously Aired

Day
Time
Channel
11/5/2021
6:30 p.m.
11/6/2021
4:30 a.m.
11/24/2021
6:30 p.m.
11/25/2021
4:30 a.m.
5/5/2022
6:30 p.m.
5/6/2022
4:30 a.m.
5/6/2022
11 a.m.
9/12/2022
6:30 p.m.
9/13/2022
11 a.m.
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