“…Special emphasis has been placed on the attempts for reducing waste generation and improving techniques in minimization of the harmful effects of construction activities on the environment. Many research efforts have been done on environmental concerns in the construction industry, including impacts of rapid infrastructure growth on the environment (Shen & Zhang, 2002;Zhang, Shen, & Scott, 2000); examination on the waste flows and control on construction sites (Shen, Tam, Tam, & Drew, 2004;Tam, Shen, Fung, & Wang, 2007); approaches for assessing the feasibility of a construction projects in contributing to the attainment of sustainable development (Shen, Wu, & Wang, 2002); assessment of sustainable performance of construction projects and contractor activities (Shen, Lu, Yao, & Wu, 2005;Shen & Tam, 2002;Shen, Wu, Chan, & Hao, 2005;Shen & Yao, 2006;Tam, Tam, Shen, Zeng, & Ho, 2006).…”