A new collection of 186 studies shows that high levels of time spent in nature are associated with positive mental health, cognitive functioning, and academic achievement benefits for children and adolescents, while high levels of screen time are associated with depression, anxiety, stress, and poor self-regulation. That’s why Waldorf schools emphasize outdoor learning and play as important aspects of the school day for each student in every grade.
Read the full article, Psychological impacts of "screen time" and "green time" for children and adolescents: A systematic scoping review, published by Children & Nature Network.