2024 Yes Effects of trees, gardens, and nature trails on heat index and child health: design and methods of the Green Schoolyards Project https://doi.org/10.1186/s12889-020-10128-2 Lanza, Kevin North America Observational Experimental Students Elementary (K-5) Green space Temperature Humidity Other Health equity School physical activity Climate change adaptation Urban heat islands Temperature Playgrounds Joint-use parks Outdoor nature play In Central Texas, a cross-sectional and cohort study measured heat index, physical activity, and nature interaction among Latinx elementary students using GIS, SOPARC, and GPS/accelerometers. Findings support greening schoolyards to mitigate heat and promote equity. 2021