Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with sulfur dioxide. Like SciShow: www.facebook.com/scishow Follow SciShow: www.twitter.com/scishow References & image licenses for this episode can be found in the Google document here: dft.ba/-3gie

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