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NOVA: Can We Cool the Planet? (S47EP17 PBS Wed 28 Oct 2020)

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Can We Cool the Planet?: As global temperatures continue to rise, scientists are wondering if we need solutions beyond reducing emissions. Enter geoengineering. From sucking carbon straight out of the air to physically blocking out sunlight, the options may seem far-fetched. But as time runs out on conventional solutions to climate change, scientists are asking the hard questions: Can geoengineering really work? How much would it cost? And what are the risks of engineering Earth’s climate?

Airdate: Wed 28 Oct 2020 at 9.00pm on PBS

Season 47 Episode 17