In order to facilitate treatment and reuse of wastewater, it has to be collected. Wastewater can either be collected in a centralised sewer system, or, in the absence of this, with a system of human-powered or mechanised vehicles (cartage).
Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.