Four countries (Hungary, Romania, Serbia and Ukraine) — young people living mainly in economically disadvantaged rural areas — wish to implement the youth exchange programme entitled “Water Emergency! – Every Drop Is Treasure!” so that, using non-formal learning methods, they can jointly explore a challenge that directly affects their everyday lives: water quality and water scarcity. Our goal is for participants, starting from their own experiences and learning from one another, to discover that water is not only a natural resource, but also a community concern that requires responsible decisions, cooperation and action. During the ten-day exchange, young people work in a diverse, intercultural group: through field observations, debates, creative workshops and joint action planning, they develop their own answers to how water can be used responsibly — at home, within the community and at a broader societal level. The programme represents several key values: it is inclusive and environmentally friendly, based on active participation and on participants’ needs; it connects European and local values; it is innovative and skills-oriented, while continuously strengthening sustainability thinking. It is important for us to make this learning journey accessible to as many young people with fewer opportunities as possible. We are building a process in which participants plan together, implement together, evaluate together, and finally promote their results together. The main aim of the project is that, through non-formal methods, young people understand the causes and consequences of water quality problems and water scarcity, and develop a conscious, responsible and proactive attitude in everyday water-related decisions and community situations. A particularly important goal is also to implement the Erasmus+ green priority: the programme makes sustainability tangible not as an abstract principle, but through concrete everyday water-use practices and community action patterns. Through the joint work, their social, communication and critical thinking skills develop, their European outlook broadens, and they become more active in participating in local issues. The programme is not only about “how to save water”, but aims at a broader mindset change: how to view water as a common good, linked to rights and responsibilities, as well as rules of cooperation. In addition to the main aim, we highlight several specific objectives: 1. Supporting the digital transition: during the programme, participants consciously use digital tools (documentation, mapping, campaign planning, QR-based awareness-raising) to represent the cause of water in a credible and youth-friendly way. 2. Inclusion and diversity: young people from different backgrounds learn from one another in a supported, safe environment; those with fewer opportunities receive a real role in the joint work. 3. Participation and democratic learning: through debates, joint decisions, understanding roles (residents–local government–businesses–civil organisations), and creating a community action/campaign that young people take back home. During the programme, we aim to develop several key competences. • By developing scientific competence, young people will be able to think in terms of connections in an environmentally friendly and practical way (drought–flood, water footprint, water quality) and act locally while also understanding global processes. • Due to the topic, competences related to technology and engineering will also be developed to a great extent, as smart technology and data management are at the heart of the work. • Developing digital competence plays a prominent role in the programme, since we use a wide range of IT and information tools; we also hold a dedicated digital day, and every day the development of this competence is based on the participants’ jointly assessed needs. • Through entrepreneurship competence, participants’ initiative-taking and sense of responsibility will improve. • In the area of personal, social and civic competence, young people have the opportunity to test themselves in an intercultural environment, enabling them to get to know and embrace different cultures. During the programme, participants can make decisions together, plan a campaign and debate — thereby strengthening participatory democracy and European identity. • Learning to learn is of key importance. After applying project and group work and peer learning methods, our aim is that participants will be able to use the new knowledge and skills later at home, in education, at the workplace and in entrepreneurship as well. • Through non-formal tasks, literacy, mathematical competence, and cultural awareness and expression are also strengthened. • Multilingual competence is also present, since in many activities (getting to know competences, songwriting, community messages) we ensure opportunities to practise multiple languages.