Place-Based Education Evaluation Collablorative - Quantifying a Relationship Between Place-based Learning and Environmental Quality
EPA-funded study shows that environmental education programs can measurably improve environmental quality.

American Institute of Architects - Greening America's Schools: Costs and Benefits. Green Buildings Make Kids Smarter, Healthier

American Institutes for Research - Effects of Outdoor Education Programs for Children in California

The Children & Nature Network's "Research & Studies" Section - Parents and grandparents, friends, family, teachers, physicians and concerned citizens-people want to do what is right and best for children.  With that in mind, C&NN has set out to compile a premier set of research studies to help us all understand the connection between nature and the healthy development of children.  The conclusion of these studies is clear: nature experience improves children's health, happiness, academic achievement, and general well being.

Closing the Achievement Gap: Using the Environment as an Integrating Context for Learning by Gerald A. Lieberman and Linda L. Hoody, State Education and Environment Roundtable

Faber Taylor, A., Kuo, F.E., & Sullivan, W.C. (2001). “Coping with ADD: The surprising connection to green play settings.” Environment and Behavior, 33(1), 54-77. (Scroll down to the bottom for access to the paper--download is free but they do ask that you tell them your organization and purpose for downloading.)

Effect of exposure to natural environment on health inequalities: an observational population study
Dr. Richard Mitchell, Glasgow University, and Dr, Frank Popham, of the University of St Andrews. Article is free from The Lancet with registration. There is also good discussion of the findings in this article from The Independent.

Going Outside - Even In the Cold - Improves Memory, Attention

Grounds for Action: Promoting Physical Activity through School Ground Greening in Canada - findings of a national survey indicating that green school grounds enhance the quantity and quality of physical activity by increasing the range of enjoyable, non-competitive forms of play at school.

Go Out and Play: Nature Adds Up for ADD Kids - University of Illinois at Urbana-Champaign Features summary, downloadable flyer and powerpoint presentation

Landscape and Human Health Laboratory

National Environmental Education Advisory Council - Setting the Standard, Measuring Results, Celebrating Successes: A Report to Congress on the Status of Environmental Education in the United States

National Foundation for Educational Research - Review of Research on Outdoor Learning

National Foundation for Educational Research - Grounds For Improvement

Nature Essential for the Brain, Scientists Report
Boston Globe article citing several studies

PLT School Honored for Dramatic Turn-Around in Student Performance on State Assessment Tests

Recess and the Importance of Play - Published by the National Association of Early Childhood Specialists in State Departments of Education

The Effects of Environment-Based Education on Students' Critical Thinking Skills and Disposition Toward Critical Thinking

Understanding and Raising Boys - PBS

A Walk In the Park Improves Attention In Children With ADHD