Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem.
Director:
Sylvia Earle
Self
Angelique Pouponneau
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Brad Norman
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Emma Camp
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Ghislain Bardout
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Kerstin Forsberg
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Michel André
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Vreni Häussermann
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Perpetual Planet: Heroes of the Oceans | Official Trailer | National Geographic UK
