The following charts are from the Pew Research Center. They show the divisions in this country over global climate change. The biggest divide is by political party -- with Democrats believing it is a serious issue, and Republicans doubting that. The biggest division among Republicans is by age.
The Pew Research Center survey was done between October 1st and 13th of a national sample of 3,627 adults, and has a margin of error of 2.1 points. The margin of error for Republicans is 3.1 points, and for Democrats is 2.9 points.