Retro Report on PBS

Engineering Earth’s Climate?

Episode 5 | 10m 56s

Scientists are worried that soon, simply reducing carbon emissions won’t be enough to even slow global warming.  A U.N. panel has said the world will likely need to “geo-engineer” the climate. That’s an idea that dates to the Cold War, when a different kind of global challenge gave rise to fears of a “nuclear winter.”

Aired: 10/21/19

Expires: 10/06/26

Rating: TV-14

Video has closed captioning.

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