This report summarizes the results of a nationally representative survey of American adults conducted in 2018. The report’s findings are intended to support NASA’s efforts to inform and educate the American public on the issue of climate change. The results detail the information users to seek on climate change, their evaluations of the clarity and usefulness of the website climate.NASA.gov, and the impacts the website has on visitors’ climate change knowledge, attitudes and beliefs, and on their views of the NASA and its earth science research.