The study of climate change has advanced rapidly in the past few years. The changes witnessed in weather patterns over the years have had a considerable impact on the environment. This book provides comprehensive insights into the study of climate change. It explores all the important aspects of climate variability in the present day scenario through lucid explanations of various topics, such as ocean, atmosphere and ice dynamics, carbon cycle, greenhouse gases, climate modeling, etc. This book will serve as a valuable source of reference for graduate and post graduate students. Those in search of information to further their knowledge will be greatly assisted by this book.