According to the results of final questionnaire about waste, %46,8 of the students feel themselves useful. %93,6 of them really think before they buy something, %78,7 of them buy reusable plastic materials. All of them believe that repairing broken materials and using them for different purposes will lessen waste. %59,6 of the students think and don't consume if they don't need. %36,2 of them think that thinking before consuming contribute most among 5D Practice steps for zero waste. %93,6 of them think the studies about waste in our project are useful.