Within the framework of " Global hand washing day 2019", CENN organized an informative meeting at N 3 public school, with a help of the chairmen of self government Mrs. Anna Japaridze. The name of the meeting was " Water- source of life, its antropogenic contamination and protection" and was led by an invited specialist, Prof. Neli Goginashvili, Biology professor at GSTU. Head of the school -Eco-club, Mrs. Luiza Tsertsvadze with elementary and mid school students attended the event and actively participated in the meeting