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How To Suck Carbon Dioxide Out of the Sky

Season 1 Episode 26 | 5m 33s

Carbon dioxide gets a lot of grief these days. It’s the main cause of the global warming that’s already damaging coral reefs, ice caps, and coastlines. But for eons, life survived on Earth because natural processes kept CO2 levels within limits, preventing the planet from getting either too cold or too hot.

Aired: 11/28/18
Extras
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
Cyril and Rosalind discuss his upcoming divorce.
Cyril asks Rosalind to go away for the weekend.
Rosalind surprises Cyril when he shares his plans for their weekend away.
Follow filmmaker Julie Forrest Wyman as she searches for her place in the little people community.
Rosalind faces a troubling domestic issue as Joyce befriends a single mother with placenta previa.
Sister Catherine finds the perfect way to ensure Nonnatus House is never forgotten.
Phyllis shares a touching time capsule message with Miss Higgins.
Everyone is talking about the time capsule, including the women of Nonnatus House.
The Turner children are hard at work planning their time capsule.
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