Up Next
Back to Show
In the America's with David Yetman
Our Warming Oceans: Biosphere to Bahamas
Season 6
Episode 604
In the Arizona desert, scientists study a small ocean at Biosphere II facility, where researchers measure sea changes under controlled conditions. But the real ocean is uncontrolled and vast. David journeys to the Bahamas to join researchers in caves and in reefs who are making startling findings about changes in climate and their effects on our oceans.
Support Provided By
Unlock with PBS Passport
26:46
Explore how cities and countryside adapt to drought in the American Southwest.
Unlock with PBS Passport
26:46
Explore the old town of Baracoa and Cuba's vast sugar cane fields.
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.
26:46
In Mexico's southernmost state, David finds nations apart from mainstream Mexico.
26:46
With distinct Afro-Cuban roots, Santiago de Cuba was once Cuba's most important city.
26:46
More than any other of the contiguous United States, Oregon has been shaped by volcanoes.
26:46
A hotbed of baseball, whalewatching, and a lively carnival, after years of turmoil.
26:46
From a biosphere to a Costa Rican rainforest reserve, scientists observe climate change.
26:46
The Pinacate Volcanic Range on the U.S.-Mexico border has a history of fire and brimstone.