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The Desert Speaks
Of Drought And Fire
Season 16
Episode 1612
The link between drought and fire has pre-historic roots, and host David Yetman and Tom Swetnam from the University of Arizona travel through the desert to higher elevations that contain evidence of drought, fire and civilization. Additionally, hike through Organ Pipe Cactus National Monument to see how scientists study the adaptability of desert plants to droughts.
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26:20
Explore some of the enormous adobe pyramids that still tower over Peru.

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26:20
Host David Yetman and his brother descend into the heart of the Amazon Desert.

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26:19
The Desert Speaks travels to find out where desert treasures come from.

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26:19
Cruise through the second half of the deserts along Route 66.

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26:20
Join host David Yetman and ecologist Yar Petryszyn as they travel along Route 66.

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26:20
Host David Yetman makes a trek to discover more about the desert tortoise.

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26:19
Discover the ambitious Australian ecological restoration project - Gondwana Link.

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26:20
Explore the Alice Springs Desert Park in Central Australia.

26:20
Head down under to investigate the land of the Australian Wildlife Conservancy.

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26:20
Host David Yetman is joined by Bill Beezley to tour the vineyards of Baja.

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26:20
Host David Yetman joins his brother along the Colorado River and Grand Canyon.

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26:20
Explore how bat population density affects humans.