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Retro Report on PBS | Episode | Engineering Earth’s Climate?

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.”

S1 E5 | 0:10:56 | AIRED: 10/21/2019 | EXPIRES: 10/6/2026 |
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