Abstract
Adoption of environmental management systems (EMSs) based on ISO 14001 has constituted one of the most important developments in sustainable industry management in recent years. Previous research on the impact of EMSs has relied heavily on corporate representatives’ subjective perception of benefits. Moreover, studies tend to focus on the systems’ impact on firms’ overall environmental performance, not distinguishing between the differences in different environmental aspects. This study aims to contribute knowledge about the influence of certified EMSs on industrial waste generation based on objective industrial waste data derived from mandatory annual environmental reports. The study focuses on changes in waste generation over a period of 12 years and includes both ISO 14001-certified firms (66 firms) and non-certified firms (50 firms). Consideration is given to the improvement efforts in the firms before EMS adoption. Analysis has been carried out using statistical methods for three different industrial waste parameters: hazardous waste, waste to landfill and the total amounts of waste. The results indicate that the certified EMSs have no statistically significant effect on any of the three waste parameters.
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