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1. The Politics of Global Warming Beliefs

1.1. Most registered voters think global warming is happening.

About seven in ten registered voters (73%) think global warming is happening. This includes nearly all liberal Democrats (95%), a large majority of moderate/conservative Democrats (89%), and two in three liberal/moderate Republicans (66%). In contrast, only about four in ten conservative Republicans (41%) think global warming is happening.

 

1.2. A majority of registered voters think global warming is caused mostly by human activities.

A majority of registered voters (59%) think global warming is caused mostly by human activities. This includes about eight in ten liberal Democrats (84%), and about seven in ten moderate/conservative Democrats (72%).

About half of liberal/moderate Republicans (51%), but only about one in four conservative Republicans (25%), think global warming is mostly human-caused.

 

1.3. Two in three registered voters are worried about global warming.

Two in three registered voters (66%) are “very” or “somewhat” worried about global warming. This includes large majorities of liberal Democrats (94%) and moderate/conservative Democrats (88%). Over the past five years (since our October 2014 survey), the percentage of moderate/conservative Democrats worried about global warming has increased by 20 percentage points (see Data Tables, p. 28).

About half of liberal/moderate Republicans (53%) are worried about global warming. Only one in four conservative Republicans (26%) are worried.