There are many books on Physical Geography in the English language, but most of them are intended for the use of junior classes in schools and are accordingly of a very elementary character. The present book has been written with the object of providing for the needs of graduates and postgraduates students. In this book author tries to show how physical geography impacts humans, and how humans impact physical geography. The text emphasizes five essential themes to demonstrate the major roles for the discipline— Geography as a Geophysical Science, Geography as the Climatic Science, Geography as the Ocean Science, Geography as the Biogeographical Science and Geography as Environmental Science. With a renewed focus on examining relationships and processes among Earth systems, this text will help you understand how the various systems interrelate and how humans are an integral aspect of geography. This book may serve as a comprehensive source of knowledge for graduates and postgraduates students of geography, at the same time it is also useful for teachers and researches of physical geography.