Mohammed Rafi Arefin is an Assistant Professor in the Department of Geography at the University of British Columbia. Drawing on urban political ecology and environmental justice, science and technology studies, and discard studies, his research and teaching are focused on urban environmental politics with a specific focus on waste and sanitation. His work on the historical development and contemporary politics of Cairo’s solid waste and sewage systems has appeared in the journals Antipode, Progress in Human Geography, and the Annals of the American Association of Geographers. He is currently working on a new project tracing how the relationship between waste, health, and urban governance is shifting in light of developments in the field of wastewater-based epidemiology.