Volts podcast: Dr. Ye Tao on a grand scheme…

Some people -- including Harvard researcher Ye Tao -- believe that even aggressive decarbonization will still leave the Earth too hot to bear. He has developed a new idea for large-scale geoengineering: he wants to directly cool the Earth's atmosphere by covering large swathes of land & ocean with cheap mirrors. It's brash & ambitious, but the numbers show it could work.

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