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Chart · Jul 5, 2017

More Than Half of Americans Think Global Warming Is Mostly Human Caused


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Image for More Than Half of Americans Think Global Warming Is Mostly Human Caused

A majority of Americans (58%) understand that global warming is mostly human caused, the highest level since our surveys began in 2008. By contrast, three in ten (30%) say it is due mostly to natural changes in the environment, matching the lowest level measured in our November 2016 survey. This chart is from our publication, “Climate Change in the American Mind: May 2017.”