Waste matter that is transported through the sewer. It contains generally excreta (urine or faeces) and water (blackwater), grey water and may also contain other wastes (e.g. kitchen waste).
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.