Population density, blue space, NDVI, and building density were core predictors for running, but their importance and non-linear thresholds (e.g., an inverted U-shapes association of NDVI in regional greenways) varied contextually. Reddit - Science By: /u/Hurry_Ferris02 31 May 2026 at 01:05 submitted by /u/Hurry_Ferris02 [link] [comments]