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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.
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27:01
The Cayman Islands are home to the last great reproductive population of grouper.
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29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.
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27:16
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
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26:47
Oceanographers continue to study the long term effects of an oil spill.
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26:46
A group of scientists tests sea sponges for potential anti-cancer properties.
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26:46
Explore the emerging science of coral reef restoration.
26:49
The invasive lionfish is a major threat to biodiversity and a stressed coral reef.
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26:48
Examine the important role seagrasses and mangroves play in the ocean’s web of life.
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26:51
Take a look at the health of the bottlenose dolphin.
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26:51
The Changing Seas crew shadows a team of research divers in Dry Tortugas National Park.
26:45
Scientists develop sustainable aquaculture methods to take the pressure off wild fish.
26:46
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.