Title: Earth
Description: Provides an analysis of the planet's current state of health and looks at the dangers to Earth's natural "lifesupport" systems.
Subjects: Effect of human beings on, Human ecology, Influence on nature, Man, Nature, Environnement, Influence sur la nature, Mensch, Umwelt, Protection, Écologie, Homme, Ecology, Population, Environmental aspects, Pollution, Human beings
Places: Terre