Click the link and read about Richard Louv and how critical it is to connect with Nature.
It makes me glad I have spent time this weekend with my hands in the dirt, planting and weeding. This always centers and calms me.
It always seems to come back "Nature is the Great Teacher."
Or as Richard Louv says it:
"Simply put, the Nature Principle maintains that a reconnection with the natural world is fundamental to human health, well-being and survival."
Read more in Richard Louv's "The Nature Principle"