Wow, this is too good to pass up! Folks, let's get our kids to appreciate nature. A Green Hour is "time for unstructured play and interaction with the natural world." Rena's preschool teachers have been doing a great job encouraging her to walk around outside so that now I don't have to cart her by stroller the whole way where most people would take a car and totally miss out on experiencing nature. During the fall, Rena loves to stroll along on the sidewalk and pick up the colorful leaves from the trees. It's unstructured because she just spontaneously goes after particular leaves. I haven't been taking her out daily since the weather has been cold, but I should. I found this website while doing research about "nature deficit disorder" for an upcoming article in Eco-Logica Magazine.