Americans widely agree that climate change is harming people in the U.S. today and expect climate impacts to get worse in the future. Most trust that climate scientists understand the problem, despite doubts among Republicans. 75% of Americans recognize that human activity is contributing at least “some” to climate change. 71% of Americans agree that climate change is causing at least “some” harm to people in the U.S. today. 56% of Americans rate climate change as an “extremely” or “very” serious problem. 65% of Americans believe that climate scientists understand how climate change affects extreme weather events “very” or “fairly” well. 63% of Americans believe that climate scientists understand the causes of climate change “very” or “fairly” well. 

Also see this Pew article: https://www.pewresearch.org/short-reads/2023/10/25/americans-continue-t…;