Sustainable development refers to the organizing principle to meet the human development goals while concurrently sustaining the ability of natural systems to provide ecosystem services and natural resources. The three main spheres where it is applied are environment, economics and society. Environmental sustainability deals with the natural environment and how it can remain diverse and productive. In terms of economics, sustainability involves ecological economics, environmental economics and sustainable energy. Environmental politics and environmental governance are a few focus areas related to social sustainability. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in the field of sustainable development. Different approaches, evaluations, methodologies and advanced studies have been included herein. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject.