The Arctic could soon be ice-free in the summer. Can geoengineering help?
Oct 02, 2020•27 min
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Episode description
This summer, Arctic sea ice hit a near-record low, second only to 2012 as the biggest melt on record. By 2050, many project an ice-free summer Arctic; the Earth’s white cap would be gone. We look at a bold proposal to save ice with technology — and plans to protect what’s left.
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