The seminar was organised by the Environmental Education Lab (EEL-NKUA) and the Primary Education Directorate of Argolida in collaboration with the 3rd Primary School of Argos on 10.02.2023 (Argos, Argolida). The NKUA team gave three presentations, namely: a) “Environmental Education for Sustainability and citizen science in the European project Cos4Cloud: the actions taken so far and new opportunities for participating in the educational network.” (Maria Daskolia); b) “Citizen science and citizen observatories for biodiversity and environmental quality: Pl@ntNet, MINKA, OdourCollect” (Dimitris Gkotzos; c) “Examples of educational scenarios implemented in schools (Naya Grillia). The second part of the seminar included group discussion and plenary reflection on ideas for school projects and activities, facilitated by the NKUA team. The seminar was attended by 20 teachers. Τhe announcement of the seminar is available  here.