The Introduction to ECAM 2.2. | Exercise Book includes a general introduction to the ‘Energy Performance and Carbon Emissions Assessment and Monitoring Tool’ (ECAM), including descriptions of features and elements. Numerous exercises help the reader to get to know and understand ECAM’s functionalities. The reader is guided through the different stages of the urban water cycle from abstraction, treatment and distribution over collection, treatment, discharge and faecal Sludge management.