Book excerpt: This reference presents reviews and case studies of hazardous waste management in a selection of cities. The overarching themes of the compiled topics include 1) the problems of healthcare waste management, 2) case studies of hazardous waste mismanagement, 3) health risks associated with environmental waste, issues in environmental health and 4) grassroots environmentalism. The volume initially presents reviews and case studies from developing countries, including countries in South America (Argentina), Africa (Algeria and Nigeria), and Asia (India). The latter chapters of the book focus on environmental issues in Campania, a region in Italy. These chapters also provide an insight into the impact of the COVID-19 pandemic on waste management practices in this region. Risks and Challenges of Hazardous Waste Management is an insightful reference for management trainees, professionals and researchers associated with waste management and environmental health firms. Readers will gain insights into current issues and practices in the respective industries. The reviews and case studies presented in the reference are also useful to professionals involved in risk assessment studies.