In Southern Africa, sanitation refers to the improvement of the overall health status of the environment through the treatment and proper disposal of human excreta and wastewater. In Southern Africa, sanitation is taking on a special dimension as it is at the heart of public health policies, particularly the fight against open defecation, which is the cause of diseases such as cholera.
From an environmental point of view, sanitation in Southern Africa refers to the fight against pollution caused by wastewater, with the construction of wastewater treatment plants. In some parts of southern Africa, sanitation also includes the reuse of wastewater for irrigation or consumption in countries with limited freshwater resources such as Namibia.
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