Environmental science is a multidisciplinary approach to the study of the environment through biological, physical and information sciences. Atmospheric sciences, ecology, environmental chemistry, and geosciences are the main components of environmental science. It is an essential field of scientific investigation due to the need for an interdisciplinary approach to analyze complex environmental problems. It includes the study of environmental system. It also studies the social sciences to understand human relationships with environment. Environmental science examines the effects of human activities on biophysical environment. It also focuses on protecting the environment. Environmental science also studies the interaction of chemical, physical and biological processes. This book is a compilation of chapters that discusses the most vital concepts and emerging trends in the field of environmental science. It aims to provide a detailed knowledge of the discipline. Scientists and students actively engaged in this field will find this book full of unexplored concepts.