The overall purposes of sanitation are to provide a healthy living environment for everyone, to protect the natural resources (such as surface water , groundwater , soil ), and to provide safety, security and dignity for people when they defecate or urinate . We also have a human right to sanitation : In September, 2010, the UN Human Rights Council adopted a resolution recognizing that the human right to water and sanitation are a part of the right to an adequate standard of living. Effective sanitation systems provide barriers between excreta and humans in such a way as to break the disease transmission cycle (for example in the case of fecal-borne diseases).This aspect is visualised with the F-diagram where all major routes of fecal-oral disease transmission begin with the letter F: feces, fingers, flies, fields, fluids, food. One of the main challenges is to provide su...
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