Court of Justice 7 February 2013, Case C-517/11: Judgment of the Court (Fourth Chamber) of 7 February 2013 — European Commission v Hellenic Republic (Failure of a Member State to fulfil obligations — Directive 92/43/EEC — Conservation of natural habitats — Article 6(2) — Deterioration and pollution of Lake Koroneia — Protection — Inadequacy of the measures taken — Directive 91/271/EEC — Urban waste-water treatment — Articles 3 and 4(1) and (3) — Agglomeration of Langada — System for the collection and treatment of urban waste-water — ‘Absence’ )

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