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The Knowledge Base for Achieving the Sustainable Development Goal Targets on Water Supply, Sanitation and Hygiene

by Guy Hutton 1,2,* and Claire Chase 2
1
United Nations Children’s Emergency Fund (UNICEF), New York, NY 10017, USA
2
Water and Sanitation Program, The World Bank, Washington, DC 20433, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Int. J. Environ. Res. Public Health 2016, 13(6), 536; https://doi.org/10.3390/ijerph13060536
Received: 29 February 2016 / Revised: 16 May 2016 / Accepted: 18 May 2016 / Published: 27 May 2016
Safe drinking water, sanitation, and hygiene (WASH) are fundamental to an improved standard of living. Globally, 91% of households used improved drinking water sources in 2015, while for improved sanitation it is 68%. Wealth disparities are stark, with rural populations, slum dwellers and marginalized groups lagging significantly behind. Service coverage is significantly lower when considering the new water and sanitation targets under the sustainable development goals (SDGs) which aspire to a higher standard of ‘safely managed’ water and sanitation. Lack of access to WASH can have an economic impact as much as 7% of Gross Domestic Product, not including the social and environmental consequences. Research points to significant health and socio-economic consequences of poor nutritional status, child growth and school performance caused by inadequate WASH. Groundwater over-extraction and pollution of surface water bodies have serious impacts on water resource availability and biodiversity, while climate change exacerbates the health risks of water insecurity. A significant literature documents the beneficial impacts of WASH interventions, and a growing number of impact evaluation studies assess how interventions are optimally financed, implemented and sustained. Many innovations in behavior change and service delivery offer potential for scaling up services to meet the SDGs. View Full-Text
Keywords: water; sanitation; hygiene; health; nutrition; cost-effectiveness; cost-benefit; economic analysis; environment; water security water; sanitation; hygiene; health; nutrition; cost-effectiveness; cost-benefit; economic analysis; environment; water security
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Hutton, G.; Chase, C. The Knowledge Base for Achieving the Sustainable Development Goal Targets on Water Supply, Sanitation and Hygiene. Int. J. Environ. Res. Public Health 2016, 13, 536.

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