2024 No The Relationship Between the Natural Environment and Individual-Level Academic Performance in Portland, Oregon https://doi.org/10.1177/0013916518796885 Donovan, Geoffrey H. North America Observational Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Green space Test performance green design/products content areas Education academic field Air pollution roads children research setting place type This study linked standardized test scores in Portland to tree cover near students’ homes and schools. Greater nearby vegetation was associated with small improvements in math and reading scores, supporting green space as a factor in academic performance. 2020