environmental aspects

Describes the forces that cause earthquakes; famous earthquakes in history; the possible environmental effects, such as global warming; and earthquake predictions and precautions.

Discusses the uses of pesticides, the dangers they may pose to our food supply, and governmental restrictions imposed on those considered harmful.

Examines the account of two scientists who made the discovery of the danger of releasing cholorofluorocarbons (CFCs) into the ozone layer.

Examination of the history, sociology, economics, and ecology of the cattle industry.

Provides an overview of overpopulation on the Earth, exploring the challenges faced, and the effects around the world.

Looks at waste products humans create and how they affect the environment and discusses steps readers can take to make a difference in meeting the challenges posed by the planet's garbage crisis.

Looks at how rapid population growth around the world has affected the natural resources and environment of the Earth, discusses the challenges posed by an increasing population in need of food, water, and housing, and examines what is being done to plan for the future.

Examines the greenhouse effect and global warming, discusses their causes and effects, and explores possible solutions.

Discusses various kinds of farming, including livestock farming and sustainable farming, and examines the changing nature of how the land is used and preserved. Includes case studies and activities.