In the period from 12 to 23 August 2019, OSENU representatives participated in the Summer School ‘WIN! Water Innovations: Policy, Management, Research’ under the project 586471-EPP-1-2017-1-EE-EPPKA2-CBHE-JP in Tartu (Estonia). Internship activities of OSENU teaching staff abroad: in March 2019 - scientific and pedagogical internship in Sandomierz, Poland; in May 2019 - internship at the Higher School of Economics and Humanities in Bielsko-Biała, Poland; at Varna University of Management, Bulgaria, under the advanced training programme; preparatory internship for the international review of research papers for competition under the international scientific project ‘With mathematics through the world’ in Poznan, Poland; in July 2019 - internship at the University of Economics, Varna, Bulgaria; and in September 2019 - internship at the Fujian Institute of Oceanography, China. In addition, on 9-10 May 2019, OSENU teaching staff took part in a seminar-presentation of the programme for teachers’ professional development in higher educational institutions and the study of best practices in Varna, Bulgaria; in October 2019 - at the Zhongguancun Forum at the University of Beijing, China. In March -May 2019, they took WMO online training courses for staff involved in planning, organizing and conducting training; in June 2019 - an international seminar on modelling, collection and verification of sea ice data in Bremen (Germany); in July 2019 – a science-to-practice seminar ‘Experience of training highly qualified personnel’ at the International Business School ESEI in Barcelona, ​​Spain; in September 2019 - WMO / Eumetcal seminar in Darmstadt (Germany). They also participated in the Symposium on Challenges of Contemporary Meteorological Education (SCCME), Nanjing, China, on 5-11 May 2019, and in the 27th IUGG General Assembly in Montreal, Quebec, Canada, on 07-19 July 2019. In 2019, 2 PhD students received advanced training (Yevhen Ternovsky – on 23-29 July 2019 in Deauville Municipality, Lower Normandy, France, and on 4-11 December 2019 in University of Lodz, Poland; Iryna Donduk - advanced training on Environmental Audit in Hungary, during the year), and 18 students had internship in foreign organizations (1 – on 20.11.2018-28.02.2019, under the programme of ‘Winter and summer work for students during the holidays’, Cologne, Germany; 1 – on 18-25 February 2019, under the ‘Go Zero, Danube’ project of the Baden-Württemberg Foundation, National Centre for Political Education, Bad Urach, Germany; 16 – on 1.04.2019 - 30.09.2019, internship at ‘Kilit Global Turizm’, ‘V Turizm Seyahat Acentaligi Tas. Tic. A.S.’ and ‘TUI’, Turkey).