Unruly or agitated children? Take a walk with them in a natural setting.
The environments we prepare for children must include time in nature. Their brains are affected by these kinds of experiences in a very essential way.

The researchers found little difference in physiological conditions, but marked changes in the brain – neural activity in the subgenual prefrontal cortex, a brain region active during rumination. Repetitive thought focused on negative emotions decreased among participants who walked in nature versus those who walked in an urban environment.
read the article at stanford.edu