Discusses the origin and composition of the earth's crust, the ways in which it is continually changing, its importance to man, and what it reveals about the history of the earth.
Presents excerpts from specials on the first Americans to climb Mount Everest, Jacques-Yves Cousteau's undersea adventures, the Leakeys' fossil discoveries, and the research of Dian Fossey and Jane Goodall.
Presents one hundred illustrated topic panels, each with ten key facts about Earth, covering the planet, volcanoes and earthquakes, weather and climate, continents, oceans, and geography.