Lethal Seas Summary

Sharply rising carbon emissions are entering Earth's seas at a staggering rate, raising their acidity. Learn how scientists are researching the effects and looking for solutions.

NOVA Season 42 Episodes...

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.

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