This survey represents the opinion of adults in the U.S. regarding the whether or not global warming is occurring from 2008 to 2017. As of November 2017, some 13% of the respondents said they believed that global warming was not happening.
Nov '08 | 71 | 10 |
June '10 | 61 | 18 |
Nov '11 | 63 | 17 |
Sept '12 | 70 | 12 |
Nov '13 | 63 | 23 |
Oct '14 | 66 | 16 |
Oct '15 | 67 | 16 |
Nov '16 | 70 | 13 |
Oct '17 | 71 | 13 |