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Costa Rica: Laboratory of the Biosphere
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In the America's with David Yetman

Costa Rica: Laboratory of the Biosphere

Season 6 Episode 606

Researchers at Biosphere II in Arizona have re-created tropical rainforest in a closed environment to study the effects of climate change. Scientists compare that artificial environment with a tropical rainforest reserve in Costa Rica, a living laboratory where scientists record the effects of global warming on the forest and its dwellers.

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In the America's with David Yetman

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In the America's with David Yetman

Ancestors of the Ancient Mayas

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