The scientific personnel of the Institute of Marine Biology, Biotechnology and Aquaculture (IMBBC) of HCMR participated in the event organized by the Municipality of Heraklion for the World Environment Day on Wednesday, June 5th, 2024, where they presented educational actions within the framework of the European NAUTILOS project. The event took place in the Experimental Stage of the Cultural Conference Center of Heraklion. The Municipality of Heraklion held an award ceremony for the 88 Primary and High Schools that participated in the School Recycling Marathon by collecting recyclable materials. Also 20 Kindergarten and Primary Schools participated in an art competition with projects made from recyclable materials. NAUTILOS was present in this event and organized educational activities, games and craft making with the support of Follow Green.