The aim is to support leaders in current topics, to expand their awareness, information, competences in the themes of sustainable development, ecology, environmental education in young people's everyday life through games and non-formal education that they will be able to further implement when involving young people in activities and sustainability and the environment projects and thus contribute to greater youth participation. Through a seminar focusing on non-formal learning, playing as a tool for non-formal learning, ecology and sustainable development in everyday life, we want to train leaders, familiarize them with Erasmus+, introduce initiatives, projects and international activities to them, so they subsequently are able to lead young people towards these topics, support them in youth initiatives, their projects and ideas. Objectives: - Increase the commitment and motivation of leaders, lead and educate young people on ecology and sustainable development and stimulate their interest in environmental issues. -Disseminate information, try and use non-formal education - (broaden non- formal education knowledge - adopt selected non-formal education methods, group dynamics, group motivation, games, creative activity, experiences as a tool of non-formal education in an international environment and attract young people through games on the topics of ecology, sustainable development, tolerance, responsibility towards their surroundings -Increase the competencies and awareness of leaders in the fields of ecology, zero waste, greenwashing, sustainability in everyday life in the spirit of “learn and share” and acquire at least 5 youth activities focused on idea creation, ecology and sustainability - Develop together a methodological publication for leaders on ecology and sustainable development - Know and try games, activities focused on ecology, creative activities - creation from waste material, upcycling, games, activities aimed at waste reduction, ecological thinking