During those three days, the Symposium will include oral sessions, a poster session and a technical tour. The following topics, among others, will be extensively discussed: waste avoidance, sources and characterization of resources in urban areas, technologies for the extraction of materials, techniques of waste segregation, separate collection, takeback programs, recirculation pathways and markets, recovery of abandoned urban areas, carbon and water footprint of material recycling, economic and legal aspects, urban mining and circular economy concepts in developing countries.