Climate & Environment
Water Security
Definition
Water security, as defined by UN-Water, is the capacity to safeguard sustainable access to adequate quantities of water of acceptable quality for sustaining livelihoods, human well-being and socio-economic development, for ensuring protection against water-borne pollution and water-related disasters, and for preserving ecosystems in a climate of peace and political stability.
References
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This reference provides supporting context for how “Water Security” is defined and used.
Overview
How it is used
The concept frames national water strategies and SDG 6 delivery; development banks assess water security in country diagnostics; security studies examine water as a driver of migration and conflict; corporates assess operational exposure in water-insecure regions.
Why it matters
Water insecurity affects billions of people and is projected to intensify with climate change and demand growth, making it a central organising concept for water policy and investment.