Examines the causes of atmospheric pollution, acid rain, ozone depletion, and global warming and explains how these conditions affect our health and economic prosperity.
Describes the microscopic life forms which live in the air such as molds, fungi, and bacteria, and examines their positive and negative effects on the human body.
Describes the connections between pollution and weather, the destruction of the ozone layer, global warming, efforts at pollution control, and alternative energy forms.