The main challenge of our world in the 21st century is to learn how to live together and in harmony with ourenvironment since on our planet the resources and space are limited. To meet this challenge through creativeactivities, interactive workshops, field researches, field activities, meetings with local authorities, presentationsand discussions the young participants of the youth exchange "Waste is not rubbish" in Sanica and Kljuc(Bosnia-Herzegovina) from different European countries will argue with ecological themes and develop an ownawareness like the need for recycling and sustainability (understanding, behavior, active action). The aim is topromote intercultural learning and to support building a common future based on the principles of ecology,peace, solidarity and multiculturalism first of all among the young participants and in our local community