Children and Nature Network (This website, affiliated with
author Richard Louv, has the best and broadest information
about the "Leave No Child Inside" movement and the
research behind it. Highly recommended.)
National Wildlife Federation's "Be Out There" campaign (Good
information, tips, and blogs on this site)
Natural Learning Initiative (Based at North Carolina State
University, this initiative features exceptional expertise in the
design of naturalistic play areas. It is led by noted landscape
architect
of
and sponsors an interesting list serve.)
Landscape and Human Health Laboratory at the University
of Illinois at Urbana-Champaign (great research
information on the values of green space)
EarthPlay (Rusty Keeler, principal; landscape
naturalistic playgrounds)
extraordinary resource for nature center leaders.)
The Big Muddy Workshop, Inc. (Big Muddy Workshop is an
Omaha-based landscape architecture firm that specializes in
naturalistic design and natural areas.