The 4th WINERCOST Training School launched in Bratislava on Monday 25th March 2018. After an introductory welcome by the Dean of the Faculty of Civil Engineering-TU Bratislava, 25 Early Career Investigators coming from 14 countries and 7 trainers from the most prominent European Technical Universities sat together and will be together for the whole week to discuss the most recent advances on Wind Energy Technology including its Societal Acceptance and its contribution to the strategy of EU to moderate the Climate Change negative consequences. In the photos the Dean of Civil Engineering-TU Bratislava Prof. Ing. Stanislav Uncik (right) with the WINERCOST Chair Prof. Dr.-Ing. Charalampos (Lambis) Baniotopoulos (left) , and the cohort of trainees and trainers.