What is environmental sanitation?​

Environmental Sanitation, a term that has occasionally resurfaced in water and sanitation policy documents.
The WHO`s constitution describes as one of its functions: the improvement of..., sanitation,...and other aspects of environmental hygiene. This is the basis on which the organization can execute its activities in the field of water, sanitation and health.
During the first decade of the WHO water and sanitation were a part of environmental sanitation together with food, housing etc. Environmental sanitation was defined as: the control of all those factors in man's physical environment which exercise or may exercise a deleterious effect on his physical, mental or social well-being. Methods for the safe and adequate disposal of excreta and sewage and clean and ample water supplies were among the priorities

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