Sample demographics can be found on p. 37 of the PDF version of the full report.
Leiserowitz, A., Maibach, E., Rosenthal, S., Kotcher, J., Neyens, L., Carman, J., Marlon, J., Lacroix, K., & Goldberg, M. (2021). Consumer Activism on Global Warming, September 2021. Yale University and George Mason University. New Haven, CT: Yale Program on Climate Change Communication.
The research was funded by the 11th Hour Project, the Energy Foundation, the MacArthur Foundation, and the Grantham Foundation.