Susan Alexandra Crate is an environmental and cognitive anthropologist who has worked with Indigenous communities in Siberia since 1988. She is a professor at George Mason University. Since 2005, she has analyzed perceptions, understandings, and responses to climate change among Sakha, Arctic Canadian, Peruvian, Welsh, I-Kiribati, Mongolian, and Chesapeake watermen communities. Crate is the author of numerous peer-reviewed articles, two edited volumes on anthropology and climate change, and two monographs, most recently, Once Upon the Permafrost: Knowing Culture and Climate Change in Siberia. She serves on the Norwegian Scientific Academy for Polar Research, was a lead author on the Intergovernmental Panel on Climate Change’s Special Report on the Ocean and Cryosphere in a Changing Climate, and was a member of the American Anthropological Association’s Global Climate Change Task Force.