2024 No Nature contact at school: The impact of an outdoor classroom on children’s well-being https://doi.org/10.1080/09603123.2018.1502415 Largo-Wight, Erin North America Experimental Teachers Students Elementary (K-5) Green space Cognitive Function Stress/Anxiety Nature contact intervention Outdoor classroom Green school children A 6-week crossover experiment in kindergarten classrooms compared indoor vs. outdoor settings. Teachers noted fewer behavioral redirections and modest well-being benefits in the outdoor condition, suggesting nature contact may promote student health. 2019