Safer water, better health: costs, benefits and sustainability of interventions to protect and promote health

This document summarises the evidence and information related to water and health, encompassing drinking-water supply, sanitation, hygiene, and the development and management of water resources. It collects the ingredients that support policy decisions, namely the disease burden at stake, the effectiveness of interventions, their costs and impacts, and implications for financing. It finds that one tenth of the global disease burden is preventable by achievable improvements in the way we manage water. Cost-effective, resilient and sustainable solutions have proven to alleviate that burden. Water-related improvements are crucial to improve health and nutritional status in a sustainable way.

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