NOVA

Lethal Seas

Season 42 Episode 11 | 53m 49s  | Video has closed captioning.

A deadly recipe is brewing that threatens the survival of countless creatures throughout Earth’s oceans. For years, we’ve known that the oceans absorb about a quarter of the carbon dioxide in our atmosphere. But with high carbon emissions worldwide, this silent killer is entering our seas at a staggering rate, raising the ocean’s acidity.

Aired: 05/13/15

Expired: 09/26/19

Rating: TV-PG

Problems Playing Video? | Closed Captioning

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