Youth exchange "Youth Environmental Leaders"- YEL aimed to promote environmental protection among young people and enhance their competencies through non-formal education activities. Youth exchange in Berlin, Germany took place from August 1 to 8, 2022. It involved 47 participants and 6 partner organizations from Germany, Croatia, Turkey, Finland, North Macedonia, and Serbia. The main objective of this project was to enhance the competencies of young people and increase their activism in the field of climate change. The project also aimed to promote the Erasmus+ programme and ensure its visibility at the local, regional, national, and international levels. It targeted young people with fewer opportunities like comming rural areas, those from socially and economically disadvantaged backgrounds, and involve them in non-formal education activities to help them understand and address environmental problems successfully. Through the project, the participants improved their competencies, gained new knowledge and skills, and enhanced their self-confidence, self-esteem, motivation, and attitude towards learning and listening. They also developed a positive attitude towards other cultures, non-violent communication, and empathy for others, and became more aware of their own learning needs and how to set personal and professional goals and objectives. The project also had a wider impact on the participating organizations, target groups, and other relevant stakeholders. It provided visibility to the Erasmus+ programme at the local, regional, national, and international levels and contributed to the quality of Erasmus+ projects. It inspired other NGOs to follow the example of implementing good projects and expanded the network of activities and possible future mutual partnerships. Overall, the project achieved its objectives of promoting environmental protection among young people and enhancing their competencies through non-formal education activities while also promoting the Erasmus+ programme and ensuring its visibility.