The concept of interdependence has been exemplified by numerous curriculum efforts designed to teach students about their local community's connections to the world. Students are asked to find and determine how accessible their own community is to the world. Have the students make lists of all the transportation links in and out of their local community by road, rail, air, or water. Have them research what products and services needed by their families come by which of these links. Pose the following. What if... the roads /highways were blocked by storms for several days? the railroads stopped running to their area? fog or other weather problems closed local airports for several days? all local rivers or ports were blocked by weather problems or a maritime accident? Have them consider: What effect would each of these have on their own lives? The lives of other people in their community or nearby areas that depend upon it? How dependent are they and their family upon local food stores, gas stations, drug stores, etc? How well are villagers in remote areas of the developing world prepared to live for a week or more without connections to other areas? Who is more "independent": a citizen of a modern city or a rural villager? In turn, what goods and services available to your family make life safer, easier or better and are not available to most people living in rural villages and towns worldwide?