The first training for high school students was held on 9th May 2023 and the second on 14th September 2023 at Spojená škola Slančíkovej 2 in Nitra. The first training was attended by 165 students from Stredná športová škola, Hotelová akadémia, Stredná priemyselná škola potravinárska and Gymnázium aged 18 and 19. In total 312 young people attended the training. The topic of both trainings was “The Effect of Human Activities on the Planet Earth”. During a 1-day events lecturers provided overall overview of the issue, legislation and current problems and they focused on details of ecological footprint, waste management, negative impacts of industry sectors on the environment; linear economy, circular economy and bioeconomy and European Union’s position as a world leader in the battle against climate change. The introduction to the topic was more theoretical in order to provide general information and overview to all students. The second part of the training was focused on practical workshops, brainstorming, best practices, and discussions. Lecturers prepared several practical examples and educational games and students actively discussed in groups and tried to find best solutions for climate changes problems.