This editorial is an overview of a special issue of Land entitled “Selected Papers from the6th Fábos Conference on Landscape and Greenway Planning: Adapting and Expanding Contracting Cities.” This special issue of land contains six papers—most of which were presented at the 6th Fábos Conference on Landscape and Greenway Planning (Fábos et al. 2019) held at the University of Massachusetts Amherst 28–30 March 2019.The Fábos conference theme was to explore the social and economic potential of linear green spaces in urban areas that are declining or expanding.