For over a decade, the Yale Program on Climate Change Communication (YPCCC) and the George Mason University Center for Climate Change Communication (Mason 4C) have conducted nationally representative surveys of U.S. adults twice a year. The dataset includes 26 waves of nationally representative surveys of U.S. adults aged 18 and older collected between 2008 and 2022. These data include measures of global warming beliefs and attitudes, risk perceptions, policy preferences, and information acquisition behaviors. The dataset also includes measures of political views and party affiliations as well as sociodemographic information such as gender, age, education, and income. The codebook contains information about survey methods, statistical procedures (e.g., using sampling weights), variables and survey questions, as well as data tables. The syntax file contains SPSS syntax for computing categories used in the [CCAM Explorer]. The *Climate Change in the American Mind* project has been supported by the 11th Hour Project, the Skoll Global Threats Fund, the Energy Foundation, the Grantham Foundation for the Protection of the Environment, the MacArthur Foundation, the VK Rasmussen Foundation, the High Tide Foundation, the Endeavor Foundation, Three Cairns, and the Heising-Simons Foundation. We are very grateful to Erik Lyon, Xinran Wang, Matthew Ballew, and Martial Jefferson for developing the interactive tool, and to Lisa Fernandez, Eric Fine, Cyndi Norrie, and Jon Ozaksut for their assistance with and support of the project. Please cite the dataset and article in any work that makes use of the data and documentation as follows: Yale Program on Climate Change Communication (YPCCC) & George Mason University Center for Climate Change Communication (Mason 4C). (2022). *Climate Change in the American Mind: National survey data on public opinion (2008-2022)* [Data file and codebook]. doi: [10.17605/OSF.IO/JW79P] Ballew, M. T., Leiserowitz, A., Roser-Renouf, C., Rosenthal, S. A., Kotcher, J. E., Marlon, J. R., Lyon, E., Goldberg, M. H., & Maibach, E. W. (2019). *Climate Change in the American Mind: Data, tools, and trends. Environment: Science and Policy for Sustainable Development, 61*(3), 4-18. doi: [10.1080/00139157.2019.1589300] : https://climatecommunication.yale.edu/visualizations-data/americans-climate-views/ : https://osf.io/jw79p/ : https://www.tandfonline.com/doi/full/10.1080/00139157.2019.1589300
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