TY - JOUR TI - Ecological footprints and appropriated carrying capacity: what urban economics leaves out: PY - 2016 AU - William E. Rees T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://journals.sagepub.com/doi/10.1177/095624789200400212 DO - 10.1177/095624789200400212 ER -