"NOW YOU SEE ME, NOW YOU DON'T" was an exchange with 7 countries: Greece, Poland, Northern Macedonia, Latvia, Spain, Serbia and Romania which took place between 31.05.2021-29.06.2022. Mobility was held at Sarata Monteoru between 21-30.03.2022 The context of the project was given by the identification at the level of the participating local communities and of the partner associations of some needs determined by the increase of the air pollution. This caused the individual to affect the quality of life due to respiratory and digestive diseases that occur as a result of impurity of air and disease. At the level of society the negative effects were decreased environmental sustainability due to irresponsible consumption of young people inefficient and unsustainable and uncontrolled intervention on the environment (deforestation, deforestation, chemical agriculture, industrial pollution) The aim of the project was to increase the degree of education and responsibility of young people in preventing and combating air pollution for a better quality of life and environmental sustainability. objectives: 1. Increasing consumer responsibility among 28 young people in 7 countries to prevent the effects of air pollution on the environment 2. promoting through creative methods among 28 young people from 7 countries in 8 days the active and healthy lifestyle as an alternative to reducing the effects of pollution on the human body and society 3. the development through non-formal education methods among 28 young people from 7 countries within 7 days of new competencies for the application of air pollution reduction solutions in the 7 referral communities