There's plenty of science to back all this up.

Children and Nature Network

A library of information on the importance of nature in early education.

Illinois Governor's Office of Early Childhood Development

State resources and research regarding Early Childhood Development.

National Association for the Education of Young Children

Aa library of research articles about all things early childhood education.

Champaign County Childcare Research Center

Local resources for parents regarding childcare, childcare assistance, and more.