On 24th April 2023, the project HYDRO-ISLAND (UNESCO Project) and its preliminary results have been presented at the International Meeting EGU (European Geoscience Union) held in Wien from 23rd to 29th April 2023. During the presentation the ongoing research activities and the main results about the water cycle and groundwater resources of Pianosa Island, focusing on the aquifer system evolution, both in terms of quantity and quality, in a context of climate change and an increasing of extreme events (drought and rainfall event). In the last section, dissemination activities with the students of Elba schools have been presented highlighting its importance by showing the results of questionnaires filled out by students before and after the lectures and the field trip on Pianosa Island. The questionnaires proved an increasing of the knowledge on groundwater and the hydrological cycle (60.5% of right answers for pre-lesson questionnaire and 86% of right answers for post-lesson questionnaire).