Aristotele University of Thessaloniki Other Projects Greek part "Study of pollution of trans-border River Nestos (Greece-Bulgaria) and impact on the receiver" 1992-1994 Program INTERREG I, (coordinator Prof. Papachristou), Water quality and pollution control of river Nestos. Trans-national concept foe flood Prevention and Protection with a view to the Measures in the Sphere of Economic Utilization of the Territory within the Oder River Basin (Oderregio), INTEREG II where Prof. Mylopoulos participate as EU expert consultant to the Czech Government.Transboundary cooperation among Poland, Czech Republic and Germany and flood control and protection of river Oder. "Integrated water management of transboundary catchments TRANSCAT", Development of a DSS for transboundary water resources management