We've all known for years that playing outdoors benefits children. Now it's been shown to be true. Outdoor play improves kids' bodies, lets them think more realistically, improves sleep, reduces obesity, increases attention and enhances learning abilities.
The National Wildlife Federation has just completed a pilot project on childrens' play in backyards, as well as in public sites like parks, playgrounds and preserves. You can read more about it at www.NWF.org/playspaces