There's no difficulty finding something, somewhere, to support any viewpoint you'd like. But The American Spectator was a decidedly biased conservative organ, that has long since died.
If you really have a case to make, try finding some real science back-up -- you know, the type done by people in labs with science degrees and doing research. Of course, that won't be quite so easy, since something like 97% of those with science backgrounds in the relevant areas are in agreement -- humans are causing climate change.