A new study finds that vegetation around schools cuts down on air pollution and boosts memory and attention. The Waldorf School of Garden City’s beautiful 11-acre campus features playgrounds, gardens and playing fields  bordered by a wooded “Nature Trail” which provides a visual and environmental boundary from the suburban houses and university buildings that surround us.

https://www.theatlantic.com/health/archive/2015/06/green-spaces-make-kids-smarter/395924/