ISMAR/CNR participated in the “30th Delta and Wetland International Symposium”, to coincide with the two important dates of “European Environment Day” (5/6/2023) and “World Ocean Day” (8/6/2023). During the conference, the projects implemented by the Blue Schools participating in the project coordinated by ISMAR “BlueNights” were presented, including the “Smart-Drifter – Citizen Science Application Case” project implemented within NAUTILOS (WP12) by the Blue School “Capellini Sauro” of La Spezia