They talked about a systemic way to solve garbage problems, separate waste collection at environmental lessons in schools No. 23 and No. 51 in Naberezhnye Chelny city. During the events, pupils realized that the responsibility zone is not just the cleanliness of their home, yard, but also the sustainable environmental development of the whole planet. With the help of game exercises and group tasks, pupils exchanged experiences and offered ideas for improving the environment.