Felix Ringel is an associate professor in social anthropology at Durham University. He has conducted long-term ethnographic research in variously declining postindustrial cities in Europe and, more recently, Africa. His work on time, the future, and urban sustainability has been widely published, for example, in The Journal of the Royal Anthropological Institute, Critique of Anthropology and Anthropological Theory. He is the author of Back to the Postindustrial Future: An Ethnography of Germany’s Fastest-Shrinking City (Berghahn, 2018) and the coeditor of The Cambridge Journal of Anthropology’s special issue on “Time-Tricking: Reconsidering Temporal Agency in Troubled Times.” He is currently involved in interdisciplinary research on plastics and waste in Blantyre, Malawi.