The physical exercise and emotional stretching that children enjoy in unorganized play is more varied and less time-bound than is found in organized sports. Playtime—especially unstructured, imaginative, exploratory play—is increasingly recognized as an essential component of wholesome child development.

Environment-based education produces student gains in social studies, science, language arts, and math; improves standardized test scores and grade-point averages; and develops skills in problem-solving, critical thinking, and decision-making.

When we raise our children, we relive our childhood. Forgotten memories, painful and pleasurable, rise to the surface.... So each of us thinks, almost daily, of how our own childhood compares with our children's, and of what our children's future will hold.

What would our lives be like if our days and nights were as immersed in nature as they are in technology?

Numerous studies document the benefits to students from school grounds that are ecologically diverse and include free play areas, habitats for wildlife, walking trails, and gardens.

Studies of children in playgrounds with both green areas and manufactured play areas found that children engaged in more creative forms of play in the green areas.

Nature-the sublime, the harsh, and the beautiful-offers something that the street or gated community or computer game cannot. Nature presents the young with something so much greater than they are; it offers an environment where they can easily contemplate infinity and eternity.