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A. In general, do you think that a rise in the world's temperature caused by the `greenhouse effect', is…
Danger of greenhouse effect warming · Asked in 6 waves, 1993–2025 · 6,447 responses · weighted estimates computed from individual responses
Answers from the 2024 GSS Next follow-on (Aug 2025) are a separate poll: a web-only survey of people who had finished the 2024 GSS interview, so mode and timing differ from the other years.
Dashed lines mark changes in how interviews were done, which can shift answers: 1. → web (2025).
Shares of people who gave an answer. Each column is one wave, evenly spaced rather than to scale in time; hover for exact shares.
| Group | Extremely dangerous | Very dangerous | Somewhat dangerous | Not very dangerous | Not dangerous at all | n | MoE | |
|---|---|---|---|---|---|---|---|---|
| All respondents |
| Poll | Field dates | Mode | Respondents | Responses |
|---|---|---|---|---|
| General Social Survey 2024: GSS Next follow-on | 2025-08-20 to 2025-10-21 | web | 1,065 | 532 |
| General Social Survey 2018 | 2018-04-12 to 2018-11-10 | face to face | 2,348 | 785 |
| General Social Survey 2016 | 2016-04-05 to 2016-11-19 | face to face | 2,867 | 911 |
| General Social Survey 2000 | 2000-02-01 to 2000-06-25 | face to face | 2,817 | 1,276 |
| General Social Survey 1994 | 1994-01-04 to 1994-06-29 | face to face | 2,992 | 1,386 |
| General Social Survey 1993 | 1993-02-05 to 1993-04-26 | face to face | 1,606 | 1,557 |
Dashed lines mark changes in how interviews were done, which can shift answers: 1. → web (2025).
Shares of people who gave an answer. A group’s column is left blank in waves where its effective sample is under 50; hover for exact shares.
| 34% |
| 27% |
| 27% |
| 9% |
| 4% |
| 785 |
| ±4 |
| Urban | 39% | 32% | 18% | 9% | 1% | 263 | ±8 |
| Suburban | 35% | 23% | 30% | 8% | 4% | 408 | ±6 |
| Rural | 17% | 28% | 34% | 11% | 10% | 114 | ±11 |
General Social Survey 2018 · US adults 18+ living in households (English, and Spanish since 2006). Shares of people who gave an answer. n is unweighted; ± is the 95% margin of error at 50% from the weighted effective sample. Groups with an effective sample under 50 are grayed; under 20, hidden.