Wastewater management in the realization of the rights to water and sanitation 2013, para. 11
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Exposure to faeces and wastewater is a reality that many individuals face. Effects range from ill-health to hampering education and work. Global processes of change, including population growth, but more importantly, economic growth, changing lifestyles and diets, and urbanization will further increase the demand for water and produce growing volumes of wastewater. An estimated 1,500 km³ of wastewater are generated worldwide per year, which corresponds roughly to the volume of over 300,000 Maracanã football stadiums filled with wastewater up to the top. It is estimated that more than 80 per cent of all wastewater generated worldwide is not treated.
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Non-negotiated soft law
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Special Rapporteur on the human rights to safe drinking water and sanitation