The latest national survey conducted by the Pew Research Center for the People & the Press found that opinions about global warming have changed little over the past year.
Views about the existence and causes of global warming have changed little over the past year. A new Pew Research Center poll finds that 59% of adults say there is solid evidence that the earth's average temperature has been getting warmer over the past few decades. In October 2009, 57% said this.
Roughly a third (34%) say that global warming is occurring mostly because of human activity, such as the burning of fossil fuels, which also is little changed from last year (36%)