Play in the dirt!
How a radical experiment to bring a forest into a preschool transformed children’s health
In Finland, kindergartens are exposing children to more mud, wild plants and moss - and finding changes to their health that show how crucial biodiversity is to wellbeing
https://www.theguardian.com/environment/2025/oct/29/soil-sandpit-children-dirty-biodiversity-finnish-nurseries-research-microbes-bacteria-aoe
