A multi-scale analysis of urban waste metabolism: density of waste disposed in Campania

► Two new waste indicators are introduced in the analysis of waste management patterns. ► A multi-scale analysis of DWD is carried out within Italy as well as Campania region. ► The DWD enriches the information provided by conventional waste indicators. ► The multi-scale analysis of Campania brings out a relevant territorial heterogeneity. ► The study shows the limitations of mono-scale solutions to waste management crises.