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“By 2030, substantially increase water-use efficiency across all sectors and ensure sustainable withdrawals and supply of freshwater to address water scarcity and substantially reduce the number of people suffering from water scarcity” |
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Target 6.4 addresses water scarcity, aiming to ensure there is sufficient water for the population, the economy and the environment by increasing water-use efficiency across all sectors of society. Securing environmental water requirements — that is, leaving enough water in the environment at any given moment to sustain its natural processes — is essential to maintaining ecosystem health and resilience (closely related to target 6.6 and SDG 15). A high level of water stress can result in negative effects on economic development, increasing competition and potential conflict among users, which calls for effective supply and demand management policies (linked to targets 6.3 and 6.5) and an increase in water-use efficiency.
Global Indicators for this Sub-goal:
- 6.4.1 “Change in water-use efficiency over time"
- 6.4.1 “Level of water stress: freshwater withdrawal as a proportion of available freshwater resources”
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