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Geoengineering to reverse global climate change: good or bad idea?


Scary? Or maybe filling the sky with chemicals that would partially block the sun would be a solution? Or is it too risky & fraught with potential unintended consequences? What would be worse? Global warming or a mini-ice age? The Little Ice Age is a period between about 1300 and 1870. Is climate change all just a recovery from the Little Ice Age? Mad-made carbon dioxide emissions have only been large enough since 1940—yet the warming trend was in place for well over a century before that.

 

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