Arizona PBS Previews

NOVA : 4211

Preview | 30s

"Lethal Seas” – Oceans absorb about a quarter of the carbon dioxide in our atmosphere. With carbon emissions sharply rising, the silent killer is entering the seas at a staggering rate – raising the oceans' acidity. Follow scientists who are seeking solutions, including a unique coral garden in Papua New Guinea that offers a glimpse of what the seas could be like in a half-century.

Aired: 08/28/19

Rating: NR

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