Pupils’ Conference Elefsina: Transition to a Climate Neutral Future The Western Balkans‘ Pathway to Climate Neutrality  Summer School for Youth: Interdisciplinary Environment for Developing Transport-Spatial Solutions in Šibenik CLIMASUM Study Tour to Slovenia: From Green Vision to International Recognition Center for Lifelong Learning SOFI – Smart Organic Food Initiative City of Mostar Regional Education and Information Centre for sustainable development in South East Europe (REIC) CENER 21 – Center for Energy, Environment and Resources Center for Environment