“…More specifically, several case studies of ISO 14001 certified companies have shown that implementation of the standard has helped reduce environmental impacts, including the volume of waste generated, water and energy consumption, and atmospheric emissions (Chattopadhyay, 2001;Fielding, 1999). Other studies have emphasized the beneficial effects of the standard on technological innovation, improvements in safety procedures and decreases in the risk of environmental mishaps (Hanna et al, 2000;Shin and Chen, 2000), decrease in the use of raw materials, energy, and costs (Chattopadhyay, 2001;Fielding, 1999;González-Benito and González-Benito, 2005;Shin and Chen, 2000), and improvements in the image of organizations, competitive edge, and response to customer expectations (Corbett and Kirsch, 2001;Goh Eng et al, 2006;Melnyk et al, 2003;Potoski and Prakash, 2005;Pun and Hui, 2001). …”