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Overall, EU policy for water scarcity and drought has evolved around three supplementary pillars: EU directives (e.g. Water Framework Directive, Groundwater Directive, Floods Directive), policy initiatives (e.g. Communication on Water Scarcity and Drought, Circular Economy Action Plan, Resource Efficiency Roadmap) and sectoral policy instruments (e.g. Pillar II of the CAP and Regional Environmental Policy) as shown in Figure 2.1.