“The majority of Americans see some fairly severe environmental harms as likely to happen over the next 30 years,” says Alec Tyson of the Pew Research Center, who helped lead the survey. “For example, 73% say they think a growing number of plant and animal species will go extinct, 61% say they think heat waves will cause large numbers of people to die in the U.S. every year and 58% think rising sea levels will force large numbers of people in the U.S. to move away from the coast.”

Reality slowly setting in.

Americans expect climate impacts to worsen, survey finds : NPR