https://www.pewresearch.org/short-reads/2023/04/18/for-earth-day-key-facts-about-americans-views-of-climate-change-and-renewable-energy/sr_2023-04-18_climate_5/

Currently just under a quarter of Republicans / lean Republican see climate change as a major threat. In which year will a majority see it as a threat (according to polling from a mainstream polling organisation).

54% of Americans view climate change as a major threat, but the partisan divide has grown

Nonpartisan, nonadvocacy, public opinion polling and data-driven social science research