Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Changing Seas
Toxic Waters
Season 11
Episode 1102
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
Unlock with PBS Passport
26:42
Florida’s gentle giants are dying in record numbers.
Unlock with PBS Passport
26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.
Unlock with PBS Passport
26:42
Scientists study the body size and health of humpback whales across their migratory cycle.
26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.
Unlock with PBS Passport
26:47
Scientists employ creative solutions to restore and reconnect Florida’s mangroves
Unlock with PBS Passport
26:47
The deep-sea submersible Alvin brings explorers to extraordinary places.
Unlock with PBS Passport
26:42
Scientists study salt marshes along scenic coastlines in the South.
26:42
Scientists team up with anglers to study the survival rates of the fish.
Unlock with PBS Passport
26:53
Scientists study what makes certain corals more resilient than others.
Unlock with PBS Passport
26:42
Scientists monitor penguin populations and study the animals’ interaction.
Unlock with PBS Passport
26:42
Scientists study the devastating impacts of the Deepwater Horizon oil rig disaster.
Unlock with PBS Passport
26:42
Scientists set out to uncover the mysteries of blue holes.