Just look at--

Examines cultures that live near rivers and lakes, from the industrialized societies along the Rhine and Volga Rivers to the Uru of Lake Titicaca who follow ancient ways of life. Also discusses ways in which commercialization and pollution threaten our fresh water resources.

Traces the development of transportation from the days of the Roman Empire to today's fast-moving society and outlines the benefits and problems that traffic can bring.

Discusses the people, animals, and plants of the desert areas of the world, as well as problems of deserts and ways man is trying to deal with them.

Examines how boats and ships have transported people and cargo through the ages and how they are designed and used today.