Republican
Independent
Democrat
Think global warming will pose a serious threat in their lifetime
18%
45%
67%
Worry a great deal/fair amount about global warming
33%
62%
91%
Believe effects of global warming have already begun
34%
60%
82%
Believe global warming is caused by human activities
35%
62%
89%
Say most scientists believe global warming is occurring
42%
65%
86%
Think the seriousness of global warming is generally exaggerated
69%
34%
4%