The benefits of learning outdoors have been promoted since Henry David Thoreau took his students on the first Field Trips!
Here is an update on Learning Outdoors — From the TCEA Blog:
Dr. Gary Stager and school architect and designer Prakash Nair have written an excellent guide to providing outdoor learning experiences for students of all ages. This guide is normally sold on Amazon, but is provided free for download here at this link. This guide is presented from the perspective of educators, architects, neurologists, and environmental scientists.