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Lethal Seas Preview

Preview: Season 42 Episode 11 | 30s

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: 03/17/15

Rating: TV-PG

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