Van Den Eeden and teammates report that they “sought to determine if residential green cover was also associated with direct healthcare costs. We linked residential Normalized Difference Vegetation Index (NDVI) satellite data for 5,189,303 [people] . . . to direct individual healthcare costs for 2003–2015. . . . we examined the association between direct healthcare costs and green cover within 250, 500, and 1000 meters (m) of an individual’s residence. . . . We observed a significant inverse association between higher levels…