Prof. M. Skoulos from the National and Kapodistrian Un. Of Athens presented the importance for hu-mans to protect and con-serve earth. In addition, students from the primary schools of Paranesti area, partici-pated in field measurements which took place in Nestos River driven by the Chairholder Prof. D. Emmanouloudis as well as the rest of the scientific team of the Chair. Basic principles of fluvial hydrology and riparian management were presented to the students.