2024 No Association of residential and school green- and bluespace with academic performance in 10-13-year-old Polish schoolchildren with and without attention deficit hyperactivity disorder http://dx.doi.org/10.1016/j.scitotenv.2022.160123 Singh, Nitika Europe Observational Epidemiological Exposure Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Green space Test performance Green space Greenness blue space children Academic achievement Grades case-control study Epidemiology Studied 658 Polish children with and without ADHD. Tree, grass, and water cover near homes and schools showed no consistent link with academic performance. Individual-level data showed no ADHD-specific differences. 2022