The share of Americans who say climate scientists understand very well whether climate change is occurring decreased from 37% in 2021 to 32% this year.
About nine-in-ten (88%) Americans say, overall, the benefits of childhood vaccines for measles, mumps and rubella outweigh the risks, identical to the share who said this before the coronavirus outbreak. U.S. adults are less confident in COVID-19 vaccines: Fewer than half rate them as having high health benefits and a low risk of side effects.