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Changing Seas
Costa Rica's Surfing Paradise
Season 17
Episode 1701
On Costa Rica’s Pacific coast, the surf break at Playa Hermosa is a world-class wave—and the heart of a vibrant ecosystem where endangered sea turtles nest. Recently named a World Surfing Reserve, it’s now the focus of a bold conservation effort, as community members work to restore forests, protect wildlife, and preserve the powerful waves that shape their way of life.
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26:42
Scientists work to save crocodiles through research and conservation.
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26:42
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
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26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.
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27:13
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.
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27:13
Changes to the ocean environment affect the way carbon is cycled through the seas.
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27:13
Lake Okeechobee, once the blue heart of Florida, now has putrid mats of blue green algae.
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27:18
Discover ways to increase fish production in a sustainable manner.
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26:43
Discover what lives beneath the Blue Heron Bridge in Florida.
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26:43
Visit the remote Pacific, the islands of Maug - a natural laboratory for scientists.
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26:43
Scientists take advantage of manatee gatherings to study them.
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26:43
Some scientists are suggesting that ctenophores are the oldest sea animals.
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26:43
Discover how some fish species change their sex.