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Protecting Our Environment, with Gina McCarthy

4 Feb 2016, 22:27 UTC
Protecting Our Environment, with Gina McCarthy
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What will it take to keep Earth habitable for humanity? Neil Tyson finds out from EPA Administrator Gina McCarthy. Also featuring environmental blogger Andrew Revkin, science historian Naomi Oreskes, co-host Maeve Higgins and Bill Nye the Science Guy.

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