The Earth is the only planet in the universe where life is known to exit. This is the fruit of a long evolutionary process spanning a period of over four billion years. Man, the latest form in this evolutionary chain, has appeared on the scene just about two million years ago. In this relatively short period of his existence, he has become a powerful agent of changes in the global environment which are of vital concern for his survival. This book presents a concise integrated profile of our planet beginning with its birth, the global phenomena that occur and the vast panorama of the events to the present and the nature of the problems that are of vital concern to the human society. Contents- 1. THE UNIVERSE 2. SOLAR SYSTEM 3. PLANET SYSTEMLITHOSPHERE 4. HYDROSPHERE 5. ATMOSPHERE 6. BIOSPHERE 7. ORIGIN AND EVOLUTION OF LIFE 8. ASCENT OF MAN 9. SCIENCE, TECHNOLOGY AND SOCIETY 10. WAGES OF MODERN CIVILIZATION