This summative evaluation was commissioned by the American Museum of Natural History (AMNH) to explore visitors’ perceptions of the exhibition, “Climate Change: ” – which was installed from October 2008 through August 2009. This report provides systematic information about visitors’ perceptions of the intended messages and about the different types of exhibitry used to create the educational and experiential value of the exhibition. The information can be used to reflect on the exhibit development and design process, to consider whether to rent the traveling exhibition, and to inform future