TY - JOUR TI - Progress toward low carbon cities: approaches for transboundary GHG emissions’ footprinting PY - 2011 AU - Abel Chavez AU - Anu Ramaswami T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://doi.org/10.4155/cmt.11.38 DO - 10.4155/cmt.11.38 ER -