TY - JOUR TI - An Urban Metabolism and Carbon Footprint Analysis of the Jing–Jin–Ji Regional Agglomeration PY - 2017 AU - Hongmei Zheng AU - Brian D. Fath AU - Yan Zhang T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://onlinelibrary.wiley.com/doi/abs/10.1111/jiec.12432 DO - 10.1111/jiec.12432 ER -