The idea of providing a scientific basis for discussing and solving emerging environmental problems in agro-industries such as textile, pulp and paper, leather, food, sugar, edible oil, beverage, etc. flourished in the eighties. This idea initiated "the First International Symposium on Waste Management Problems in Agro-Industries" held in İstanbul, Turkey, in 1989. The wide interest and high quality contribution of participating scientists established a series of IAWQ symposia, with the second event in İstanbul again, in 1992. The symposium in Çe