climate-change-american-mind-beliefs-attitudes-spring-2026-1.4


This line graph shows the percentage of Americans over time since 2008 who think global warming is mostly human-caused or mostly caused by natural changes in the environment. A majority of Americans think global warming is mostly human-caused. Data: Climate Change in the American Mind, Beliefs & Attitudes, Spring 2026. Refer to the data tables in Appendix 1 of the report for all percentages.