CNN's Carol Costello told Nye that climate change skeptics are 'politicizing this issue' and 'winning' -- 'Costello began the interview by challenging Nye's credentials, since he is not a climatologist. 'If you google your name Bill Nye, you're the kooky guy who doesn't know what he's talking about. I mean, you're not a climatologist. You want to defend yourself?' she asked in a rather hostile opening question'