Sustainability Reporting and Environmental Performance: A Case Study in Istanbul Stock Exchange

Abstract

The aim of this study is determining the environmental performances of companies operating in the manufacturing industry in the Istanbul Stock Exchange (ISE) in 2013 within the scope of sustainability reports. The amounts of water recycled, energy savings achieved by efficiency studies, emission reduction achieved by efficiency studies, hazardous waste disposed and nonhazardous waste disposed and investments made on environmental protection and expenditures were selected as environmental performance indicators of the sustainability reports of the companies included in the analysis for 2013. The criteria determined are converted into a single score for each company's environmental performance by a multi-criteria decision-making method “Technique for Order Preference by Similarity to Ideal Solution (TOPSIS)”. At the end of the study, it has been determined that AKÇANSA has the highest environmental performance while BRİSA has the lowest environmental performance, respectively.