Ecotourism has great conservation benefits but it can also endanger wildlife. Alexandra Roca encounters bull sharks and manta rays among other amazing animals.
Ecotourism has great conservation benefits but it can also endanger wildlife. Alexandra Roca encounters bull sharks and manta rays among other amazing animals.
Legendary ocean researcher Sylvia Earle and renowned photographer Brian Skerry head into America's ocean habitats to reveal why this unseen, expansive blue wilderness is in danger.
Legendary ocean researcher Sylvia Earle and renowned photographer Brian Skerry head into America's ocean habitats to reveal why this unseen, expansive blue wilderness is in danger.
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