Science Trek

Wildfire: Trees

Special | 5m 43s

Trees are the oldest, tallest and heaviest things on Earth. How do they grow and survive? Why are they essential to life on our planet?

Aired: 05/01/18

Rating: TV-G

Video has closed captioning.

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Funding is provided by the Laura Moore Cunningham Foundation, the Idaho National Laboratory and Walmart and the Walmart Foundation