closer look at

Explains the causes and effects of hurricanes and typhoons and examines their environmental impact and how they can be predicted.

Explains how ozone holes happen, what effects they have on the environment, and what can be done about this problem.

Examines the causes and effects of acid rain and discusses what can be done to prevent it.

Explores different desert environments around the world and describes the plants, animals, and humans that live in them.

Explores different grassland environments around the world, including prairies, pampas, steppes, and savannahs, and describes the plants, animals, and humans that live in them.

Discusses the problem of rainforest destruction, looking at the reasons for and consequences of this destruction, and what can be done to stop it.

Explores the oceans of the world, discussing their floors, canyons, mountains, volcanoes, movements, storms, and plant and animal life.

Explores some of the highest places on our planet, discussing mountain resources, avalanches, volcanic eruptions, earthquakes, erosion, and the formation of mountains.

Explains how and why volcanoes errupt, describes effects of their erruption on the environment, and suggests how predicting their activity may prevent catastrophies.

Explains how and why earthquakes happen, their effect on the environment, and how potential catastrophies could be prevented by predicting when earthquakes might occur.