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U.S. poll on human activity being the main cause of global warming 2014

This survey, conducted across the United States in March 2014, shows public opinion regarding man-made heat trapping greenhouse gases as the main cause of rising global temperatures. During the survey, 13 percent of respondents were extremely confident that greenhouse gases caused by human activity are the main cause of global warming.

How confident are you that the following is correct?: The average global temperature is rising due to man-made greenhouse gases

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Release date

April 2014


United States

Survey time period

March 20-24, 2014

Number of respondents

1,012 respondents

Age group

18 years and older

Method of interview

Online panel

Supplementary notes

The source worded the question as follows:
"On the next few screens, you’ll see a series of statements about science and medicine. For each of them, please indicate how confident you are that the statement is correct: The average temperature of the world is rising, mostly because of man-made heat-trapping greenhouse gases."

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Statistics on "Greenhouse gas emissions in the United States"

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