About half of Trump voters think global warming is happening.
Nearly half of those who voted for President Trump think global warming is happening (49%). By contrast, fewer than one in three (30%) think global warming is not happening.
Leiserowitz, A., Maibach, E., Roser-Renouf, C., Cutler, M., & Rosenthal, S. (2017). Trump Voters & Global Warming. 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 Grantham Foundation, and the MacArthur Foundation.