influence on nature

Briefly describes some of the dangers caused mainly by humans for such animals as otters, sea turtles, seals, penguins, polar bears, and whales.

Describes various species of endangered animals and efforts to ensure their survival.

Studies the causes, effects, and consequences of avalanches and landslides. Includes historical facts and patterns, as well as an examination of humankind's role in causing these disasters.

Records a vanish way of life in the rain forests of the Amazon River Region in the struggle between tradition and progress.

Details the strategies and tactics through which people attempt to control nature.

Photographs showing how people all over the world are trying to save the Earth.

Explains how human activities are destroying the balance of nature and suggests ways to prevent further damage.

Analyzes the roles of microorganisms, plants, animals, and humans in the biogeochemical cycle, highlighting the ways in which humans are harming the environment and exploring what can be done to help maintain balance in the biosphere.

Provides an analysis of the planet's current state of health and looks at the dangers to Earth's natural "lifesupport" systems.

Beaver, Bear, Deer, and other animals speak about their lives in the wild and their relationship with humans.