2024 Yes Is brief exposure to green space in the school the best option to improve attention in children? https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8304383/ Anabitarte, A. Europe Experimental Epidemiological Students Elementary (K-5) Green space Attention network test Natural spaces Mental health Reml In a controlled study using the Attention Network Test with 167 children, exposure to green vs. grey school environments showed no effect on attention. Future studies should consider pollution, noise, and student fatigue to enhance sensitivity. 2021