Environmental psychology examines the interrelationship between environments and human behavior. The field defines the term ‘environment’ very broadly to include all that is natural on the planet as well as social settings, built environments, learning environments, local settings, and informational environments. When solving problems that involve human-environment interactions, whether they are global or local, one must have a model of human nature that predicts the environmental conditions under which humans will behave in a decent and creative manner. With such a model one can design, manage, protect or restore environments that enhance reasonable behavior, predict what the likely outcome will be when these conditions are not met, and di...