"Which enviros not to take seriously"

Really, Jon?

How about "which enviro CRITICS not to take seriously."  That would include Jon Caldara, libertarian activist, president of the right-wing Independence Institute, and radio host.

Jon is young enough to probably live to see our coastal cities start to flood.  When it becomes impossible to pooh-pooh the catastrophic consequences of AGW, what will Jon do?  He seems like a glib fellow, so instead of falling silent on the subject, he will probably try to deny that he was ever a denier at all.

"Why, I never said THAT!  What I DID day was ... !"