The symposium on “Environmental Management of Waste in Arab Cities” concluded its activities finishing three days of discussion on 20 researches and papers through four scientific sessions and two workshops, one with the title of “Towards an Integrated Management for Solid Waste in the Arab world” and the other on “Solid Waste Recycle and re-usage issues”, in addition to the opening and closing sessions. 350 participants attended the symposium representing 13 Arab countries.