Changing world

Discusses such topics as the physical features, climate, plant and animal life, and environmental concerns related to the earth's polar regions.

Examines the history of India, looks at the political, social, economic, and environmental changes that have taken place in the country since the late twentieth century, and discusses India's changing relationship with the national community.

Discusses the development of deserts, the plants and animals that live in them, and how humans are negatively affecting these arid areas of Earth.

Discusses the value of jungles and rain forests and the reasons why they have become endangered.