Scientists and ecologists from across the globe are striving to asses and evaluate the damage caused to earth's ecosystems and environment because of human interference. This book highlights the importance of maintaining equilibrium in the human-environment interaction. Different approaches, evaluations, and advanced studies on ecological protection have been included in this book along with topics such as impact of climate change, waste management, conservation and management of water resources, etc. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and significance of the subject.