Sylvia Earle talks underwater noise pollution and how NASA technology is saving whale sharks

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Sylvia Earle coming out from a successful dive in the Seychelles.  (Rolex/Oliver Schofield)
Sylvia Earle coming out from a successful dive in the Seychelles. (Rolex/Oliver Schofield)

Legendary oceanographer Sylvia Earle is joined by a group of pioneering marine scientists in a must-watch documentary airing on National Geographic this Earth Day.

Perpetual Planet: Heroes of the Oceans highlights the incredible work being done to protect the fragile ecosystem of the Earth's blue heart.

Refreshingly inspiring and radiating positivity, the film highlights two critical points; firstly, change can start with an individual and snowball into something much bigger. Secondly, research is key to solving our environmental problems - "we cannot protect what we don't know".

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