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NOVA | Episode | Can We Cool the Planet?

As global temperatures rise, scientists are exploring solutions from planting trees to sucking carbon out of the air to geoengineering. But would they work? And what are the risks of engineering Earth's climate?

S47 E16 | 0:53:31 | AIRED: 10/28/2020 | EXPIRES: 10/28/2024 |
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