Astrophysicist Neil deGrasse Tyson explains why he believes that climate change deniers can't get behind the science.

Produced by Darren Weaver and Kamelia Angelova. Additional production by Kevin Reilly.

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StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts, guest celebrities, and scientists discuss astronomy, physics, and everything else about life in the universe. Follow StarTalk Radio on Twitter, and watch StarTalk Radio "Behind the Scenes" on YouTube.