It's easy to blame the nature-deficit disorder on the kids' or the parents' back, but they also need the help of urban planners, schools, libraries and other community agents to find nature that's accessible.

The Centers for Disease Control (CDC) reports that the number of overweight adult Americans increased over 60 percent between 1991 and 2000. According to CDC data, the U.S. population of overweight children between ages two and five increased by almost 36 percent from 1989 to 1999.

There’s no denying the benefits of the Internet. But electronic immersion, without a force to balance it, creates the hole in the boat — draining our ability to pay attention, to think clearly, to be productive and creative.

Another British study discovered that average eight-year-olds were better able to identify characters from the Japanese card trading game Pokemon than native species in the community where they lived: Pikachu, Metapod, and Wigglytuff were names more familiar to them than otter, beetle, and oak tree.

The future will belong to the nature-smart.

Time spent in nature is the most cost-effective and powerful way to counteract the burnout and sort of depression that we feel when we sit in front of a computer all day.

A widening circle of researchers believes that the loss of natural habitat, or the disconnection from nature even when it is available, has enormous implications for human health and child development. They say the quality of exposure to nature affects our health at an almost cellular level.