Skip to main content

Up Next

Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
Back to Show
Changing Seas

Whales in a Plastic Ocean

Season 17 Episode 1702

Far out in the eastern Atlantic, the Portuguese island of Madeira rises from the depths of the open ocean. Despite its remote location, the archipelago is impacted by floating plastic trash. Researchers with MARE-Madeira study the effects plastics, and their chemical compounds, have on the health of marine mammals that frequent local waters.

Support Provided By
Season
Grouper Moon
Unlock with PBS Passport
27:01
The Cayman Islands are home to the last great reproductive population of grouper.
Mysterious Microbes
Unlock with PBS Passport
29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.
Tracking Tigers
Unlock with PBS Passport
27:16
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
After the Spill
Unlock with PBS Passport
26:47
Oceanographers continue to study the long term effects of an oil spill.
Prescription: Oceans
Unlock with PBS Passport
26:46
A group of scientists tests sea sponges for potential anti-cancer properties.
Reef Revival
Unlock with PBS Passport
26:46
Explore the emerging science of coral reef restoration.
Alien Invaders
Unlock with PBS Passport
26:49
The invasive lionfish is a major threat to biodiversity and a stressed coral reef.
Seagrasses and Mangroves
Unlock with PBS Passport
26:48
Examine the important role seagrasses and mangroves play in the ocean’s web of life.
Sentinels of the Seas
Unlock with PBS Passport
26:51
Take a look at the health of the bottlenose dolphin.
No Fish Left Uncounted
Unlock with PBS Passport
26:51
The Changing Seas crew shadows a team of research divers in Dry Tortugas National Park.
Farming the Sea
26:45
Scientists develop sustainable aquaculture methods to take the pressure off wild fish.
Corals of the Deep
26:46
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.
Active loading indicator