Mell Harris, presented by Jo Engel.
Forest School is a child-centred inspirational learning process, that offers opportunities for holistic growth through regular sessions. It is a long-term program that supports play, exploration and supported risk-taking. It develops confidence and self-esteem through learner inspired, hands-on experiences in a natural setting.

https://www.forestschoolassociation.org/full-principles-and-criteria-for-good-practice/