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What's actually the worst greenhouse gas?

Season 1 Episode 15 | 4m 30s

Earth’s atmosphere naturally contains greenhouse gases. Without them, the world would be way too cold for humans. But we are adding extra greenhouse gases, which are causing Earth to heat up and disrupting weather patterns worldwide. So which of these many gases is heating Earth the most?

Aired: 08/20/18
Extras
Exploring the global impact of Earth’s most ingenious, destructive, and adaptable species… Us.
Grantchester Season 10 premieres Sunday, June 15, 9/8c on MASTERPIECE on PBS.
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