The condition when the Earth's climate system results in new weather patterns that last from few decades to a million of years is known as climate change. It can be caused due to various reasons such as human activities, Earth's internal processes and external processes. Human activities are presently accelerating climate change through global warming. The effects of global warming include regional changes in precipitation, rising sea levels, expansion of deserts and frequent extreme weather events such as heat waves. Climate change affects food security, crop yields, etc. This book provides comprehensive insights into the issue of climate change. Different approaches, evaluations, methodologies and advanced studies on climate change have been included herein. Those in search of information to further their knowledge will be greatly assisted by this book.