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Degrasse Tyson Climate

Neil deGrasse Tyson Challenges Climate Change Deniers

Alison van Diggelen | Posted 02.07.2012 | Green
Alison van Diggelen

Neil deGrasse Tyson -- known as the "sexiest" astrophysicist alive, host of Nova ScienceNow on PBS, and Stephen Colbert's favorite interviewee -- weighs in about climate change.