Over half of Americans (58%) understand that global warming is mostly human caused, the highest level since our surveys began in November 2008. By contrast, three in ten (30%) say it is due mostly to natural changes in the environment – the lowest level recorded since 2008.
Only about one in eight Americans (13%) understand that nearly all climate scientists (more than 90%) are convinced that human-caused global warming is happening.
Over half of Americans (57%) say they are at least “somewhat worried” about global warming. About one in six (17%) are “very worried” about it.
About one in three Americans (35%) think people in the U.S. are being harmed by global warming “right now.”
By a large margin, Americans say that schools should teach children about the causes, consequences, and potential solutions to global warming (78% agree vs. 21% who disagree).
https://www.desmogblog.com/2017/07/...climate-change-real-and-caused-human-activity