1. Center
for Industrial Ecology, School of Forestry and Environmental Studies, Yale University, New Haven, Connecticut 06511, United States
2. Institute of Urban
Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen, Fujian 361021, P.R. China
3. Graduate
School of Engineering, Tohoku University, 6-6-04, Aramaki Aza Aoba Aoba-ku, Sendai, Miyagi 980-8579, Japan