Skip to main content
Donate

Up Next

The Cordell Bank: A National Treasure - Trailer

The Cordell Bank: A National Treasure - Trailer

Preview
2:32
Corals in Crisis - Trailer

Corals in Crisis - Trailer

Preview
2:11
Mystery of the Humpback Whale Song - Trailer

Mystery of the Humpback Whale Song - Trailer

Preview
3:56
Puerto Rico: Resilience in Action

Puerto Rico: Resilience in Action

Season 18 Episode 1
26:42
The Seals of Sable Island

The Seals of Sable Island

Season 18 Episode 2
26:42
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:35
Tuberculosis: The Forgotten Plague

Tuberculosis: The Forgotten Plague

Season 6 Episode 5
26:49
Back to Show
Changing Seas

Toxic Waters - Trailer

Harmful algal blooms come in many forms, from toxic outbreaks impacting the health of animals and humans, to non-toxic but expansive sargassum mats devastating local economies and tourism. Scientists are working to understand what causes these blooms, how they impact us, and how we can stop them.
Support Provided By
A Decade after Deepwater
Unlock with PBS Passport
26:42
Season 12 Episode 1202
A Decade after Deepwater
Scientists study the devastating impacts of the Deepwater Horizon oil rig disaster.
Florida’s Blue Holes: Oases in the Sea
Unlock with PBS Passport
26:42
Season 12 Episode 1201
Florida’s Blue Holes: Oases in the Sea
Scientists set out to uncover the mysteries of blue holes.
Mystery of the Humpback Whale Song
Unlock with PBS Passport
26:42
Season 11 Episode 1104
Mystery of the Humpback Whale Song
Experts study the purpose of a male humpback whale's song.
Corals in Crisis
Unlock with PBS Passport
26:42
Season 11 Episode 1103
Corals in Crisis
Stony Coral Tissue Loss Disease is devastating Florida’s fragile coral reef.
Toxic Waters
Unlock with PBS Passport
26:47
Season 11 Episode 1102
Toxic Waters
Scientists work to understand what causes toxic algal blooms.
The Cordell Bank: A National Treasure
Unlock with PBS Passport
26:42
Season 11 Episode 1101
The Cordell Bank: A National Treasure
Discover the Cordell Bank, a magical underwater island few people have ever heard of.
Fishing the Flats for Science
Unlock with PBS Passport
26:42
Season 10 Episode 1004
Fishing the Flats for Science
Scientists study tarpon, bonefish and permit to better understand their behaviors.
Lords of the Wetlands
Unlock with PBS Passport
26:42
Season 10 Episode 1003
Lords of the Wetlands
Scientists work to save crocodiles through research and conservation.
Cryptic Critters
Unlock with PBS Passport
26:42
Season 10 Episode 1002
Cryptic Critters
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
Dolphins: Breaking the Code
Unlock with PBS Passport
26:43
Season 10 Episode 1001
Dolphins: Breaking the Code
Modern technology is making it possible to correlate dolphin sounds and behavior.
Majestic Mantas
Unlock with PBS Passport
27:13
Season 9 Episode 904
Majestic Mantas
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.
The Fate of Carbon
Unlock with PBS Passport
27:13
Season 9 Episode 903
The Fate of Carbon
Changes to the ocean environment affect the way carbon is cycled through the seas.
Show more
Active loading indicator