You may be interested in this poll by the Pew Research Center in collaboration with AAAS
http://people-press.org/report/528/
From the report:
The political leaning of scientists is very different from that of the public in the US, just 6% identify themselves as Republican.
There is a wide divide between the US public and scientists on both Creation/Evolution and Climate Change. The Republicans differ more strongly from the scientists than the Democrats. With regard to climate change, 84% of the scientists attribute climate change to human activity and 70% / 22% consider it a "very serious" / "somewhat serious" problem. Of the general public, just 21% of Conservative Republicans attribute climate change to human activity, 28% deny it's warming at all. For Liberal Democrats numbers are 74% and 4%, respectively. These are the extremes on the political scale. So acceptance of human caused climate change is stronger in the science community than in any political faction of the general public.