Explores Venezuela, including the geography, people, education, rural and urban life, housing, food, work, and amusements, and provides other information about the country.

Discusses the geography and climate, history, wildlife, economy, government, people, religion, and culture of the Congo.

Describes the many ways in which human beings harm the land and discusses some possible ways of correcting and preventing these abuses.

Introduces the legal systems and regulations used by different societies among the native peoples of Central and South America.

Discusses the environmental damage and safety problems associated with the internal combustion engine, with an emphasis on emissions and air pollution, and examines various solutions and alternatives to the situation.