This bar chart shows the percentage of the U.S. population who say they are 'very' or 'moderately' worried that environmental problems might harm their local area over time by survey wave (2018-2023). Americans have grown more worried about extreme heat more than other impacts from climate change. Data: Climate Change in the American Mind, March 2018 and April 2023. Refer to the data tables in the Methods section in the Climate Note for all percentages.