Alexander Proelss is the Chair in the International Law of the Sea and International Environmental Law, Public International Law and Public Law at the Faculty of Law, University of Hamburg. He is the Director of the Institute for the Law of the Sea and Maritime Law. International environmental law and the international law of the sea, together with selected issues of EU and domestic environmental and constitutional law, constitute the focal points of his research.Valentin J. Schatz, Faculty of Law, University of Hamburg, is Research Associate at the Institute for the Law of the Sea and Maritime Law. His research interests include the international law of the sea, maritime security law, marine environmental law and international dispute settlement.

• Regulating Vessel Discharges on the International and EU LevelThe Examples of Scrubber Washwater, Sewage and Ballast WaterAlexander Proelss and Valentin J. SchatzAbstractKeywords1 Introduction2 Discharges of Washwater from Exhaust Gas Cleaning Systems3 Discharges of Sewage4 Discharges of Ballast Water5 ConclusionAcknowledgmentsList of References