Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Unlock with PBS Passport
26:46
Discover why surfers now flock from around the world to ride the Pororoca.
Unlock with PBS Passport
26:46
Explore the world's largest freshwater swamp, the Pantanal.
26:46
Learn everything about Francisco Eusebio Kino and the Mission San Xavier del Bac.
Unlock with PBS Passport
26:46
In Mexico's southernmost state, David finds nations apart from mainstream Mexico.
Unlock with PBS Passport
26:46
With distinct Afro-Cuban roots, Santiago de Cuba was once Cuba's most important city.
Unlock with PBS Passport
26:46
More than any other of the contiguous United States, Oregon has been shaped by volcanoes.
Unlock with PBS Passport
26:46
A hotbed of baseball, whalewatching, and a lively carnival, after years of turmoil.
Unlock with PBS Passport
26:46
The Pinacate Volcanic Range on the U.S.-Mexico border has a history of fire and brimstone.
Unlock with PBS Passport
26:46
Join researchers in Arizona and the Bahamas making startling climate change findings.
Unlock with PBS Passport
26:46
Mexico City’s rich cultural and ethnic history reflects this vibrant Latin American city.
Unlock with PBS Passport
26:46
Amazon oil means prosperity for Ecuador, but benefits for native peoples are less clear.
26:46
Revealing a Havana that was once off-limits, beyond the architectural first impression.