Discusses the history and causes of acid rain, its effects on the environment and human health, and what can be done about it.

Discusses the problem of ocean pollution humans have caused by dumping mustard gas, arsenic, mercury, raw sewage, plastic, and other things dangerous to marine life and ultimately to the top of the food chain, human beings.

Studies the ecology of tropical rain forests, or jungles, and the vital role of their water, air, plant, and animal resources in preserving the global environmental balance. Also describes how easily man's activities can endanger or upset this fragile environment.

Considers the global consequences of continued population growth and the various options for dealing with its impact on the environment and natural resources.

Discusses recycling, its value and realities, and the search for innovative recycling ideas.

Discusses various aspects of endangered species, including causes of extinction, land use, protection laws, and the race to prevent more extinctions.

Discusses saving the American wilderness, including preservation and conservation, environmental activism, recreation in the wilderness, and the future of wilderness management.