Listed below are various helpful resources

• National Public Lands Day
• National Environmental Education Week: Nature Centers
• Hands on the Land
• "Reconnecting Kids with Nature for Health Benefits!" Webinar (April 22, 2008) 
• National Audubon Society
• 2008 Physical Activitiy Guidelines for Americans - Department of Health and Human Services 
• Youth Physical Activity Guidelines Toolkit- Centers for Disease Control and Prevention
• We Can! - National Heart Lung and Blood Institute
• Parks and Trails - Centers for Disease Control and Prevention
• Green Hour^® and Connecting Kids to Nature Report - National Wildlife Federation
• No Child Left Inside Coalition
• Exercise is Medicine
• Active Living Research- Robert Wood Johnson Foundation
• Bureau of Land Management 
• Let’s Go Outside! - US Fish and Wildlife Servic
• Junior Park Rangers - National Park Services
• Climate change, water, and kids - US Forest Service
• Get Fit Great Falls
• Outdoor Activities for Families - Project Learning Tree
• Children and Nature Network
• Last Child in the Woods  - by Richard Louv