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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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26:46
Visit Ceará and the capital city of Fortaleza, a once-isolated beach town.
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26:46
David visits several ethnic groups in the state of Oaxaca.
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26:46
Discover the city of Cartagena, once the most important city in the entire region.
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26:46
Discover how Chesapeake Bay residents are restoring some of its ancient productivity.
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26:46
David joins the Blackfeet people as they seek to expand their tribal herds of bison.
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26:46
Explore the Mata Atlantica that once covered Brazil's coast for over a thousand miles.
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26:46
Travel through the northeastern state of Pernambuco, an arid semi-desert.
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26:46
Travel with David and his team through Mexico City.
26:46
David travels to a ranch to follow the gaucho life.
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26:46
Explore the shanty towns of Río Janeiro and their role in the city's cultural history.
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26:46
Travel to Oaxaca and discover the process of harvesting, drying, and roasting coffee.
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26:46
Travel Argentina's nostalgic Ruta 40 through the famed wine capital of Mendoza.