71%
The percentage of Americans who think global warming is happening, according to a Yale Program on Climate Change Communication survey, while 47 percent say they are “very” or “extremely” sure of it, 13 percent do not believe it is happening; the rest are unsure.
44%
The percentage of Americans who believe that they personally have already experienced some effects of global warming—the highest percentage since the survey began in 2008.
50%
The percentage of Americans who believe that they personally will be harmed by global warming. In particular, 54 percent believe that their families will be harmed, 67 percent believe that people in the United States will be harmed, 71 percent believe that people in developing countries will be harmed, 75 percent believe that future generations of people will be harmed.
5%
The percentage of Americans who say humans can and will successfully reduce global warming.
Source: Leiserowitz, A., Maibach, E., Roser-Renouf, C., Rosenthal, S., Cutler, M., & Kotcher, J. (2017). Climate change in the American mind: October 2017. Available at: https://climatecommunication.yale.edu/publications/climate-change-american-mind-october-2017/opens in new window.
