Fig. 1: Extent and spatial manifestation of sealed residential landscapes and potential NbS transitions in the Greater Kumasi Metropolitan Area, Ghana.

a Ground-level views of residential plots characterised by extensive tiling and concrete surfacing. b Aerial imageryshowing the distribution of impervious residential surfaces across the study area (Google Earth image; imagery © Airbus 2024, © Google. This figure is not covered by the Creative Commons licence of this article). c Schematic illustrations of residential plot conditions, contrasting the current sealed state with probable and desired transitions toward reduced impervious surfaces through NbS integration.