Eco- club- Primary school Retfala found some eco challanges in ther local enviroment.  We found out thet there are many infrastructure challanges in our neighborhood. One is so special, building area of new stadium, thet members of eco- club go there and found many challanges and effects that this construction has on nature and biodiversity. This action is a result of Maja Holoker and Vlatka Šalić Dujmić workinfg process with pupilf from 8. grade.