Our fragile planet

Explores the causes of climate change and discusses how and why people can develop new techniques to reverse humanity's effects on Earth's biosphere.

Describes how the diversity of life on Earth is being destroyed now by human activities at a rate ten to one-hundred times faster than in the planet's history. Discusses the importance of preserving ecosystems, restoring habitats, and stopping global warming.

Discusses the gradual warming of the planet, its possible causes and effects, and some solutions.

Examines the various types of Earth's habitats, the complex relationships of plants and animals found in them, and how man's activities can upset or destroy fragile ecological balances.