A 2010 Pew Research poll asked 1,306 Americans, "From what you've read and heard, is there solid evidence that the average temperature on earth has been getting warmer over the past few decades, or not?"
Source
Pew Research Center, Majority of Republicans No Longer See Evidence of Global Warming, data collected on October 27, 2010.
Examples
global_warming_pew
#> # A tibble: 2,253 × 2
#> party_or_ideology response
#> <fct> <fct>
#> 1 Conservative Republican Earth is warming
#> 2 Conservative Republican Earth is warming
#> 3 Conservative Republican Earth is warming
#> 4 Conservative Republican Earth is warming
#> 5 Conservative Republican Earth is warming
#> 6 Conservative Republican Earth is warming
#> 7 Conservative Republican Earth is warming
#> 8 Conservative Republican Earth is warming
#> 9 Conservative Republican Earth is warming
#> 10 Conservative Republican Earth is warming
#> # ℹ 2,243 more rows