Climate Change in the American Mind: Public Perceptions of the Health Harms of Global Warming, Fall 2024


5. Trusted Information Sources

5.1 Trust in various information sources about the health harms of global warming has increased.

Six in ten Americans “strongly trust” or “moderately trust” first responders such as firefighters and emergency medical responders (60%, not asked on previous surveys) and their primary care doctors (60%, an increase of 11 percentage points since 2014) as sources of information about health problems related to global warming. Half of Americans trust climate scientists (50%, +10 points) as a source of this information. Many Americans also trust the U.S. Centers for Disease Control and Prevention (48%, +7 points), the American Medical Association (47%, +7 points), their local public health department (45%, +11 points), the World Health Organization (44%, +7 points), the U.S. Environmental Protection Agency (43%, +9 points), environmental organizations (40%, +9 points), television weather reporters (36%, +10 points), and journalists (21%, not previously asked) as information sources.

This dot plot shows the percentage of Americans in 2014 and 2024 who "strongly trust" or "moderately trust" different sources of information about health problems related to global warming. Trust in various information sources about the health harms of global warming has increased. Data: Climate Change in the American Mind, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.