The book is all about the "environment" and discuss about the complex system of natural elements and processes that surround us. It describes the Biotic components and abiotic components. The author also emphasize about the Environmental policies and guidelines established by governments and organizations to manage human activities and their impacts on the environment. Special importance was given to Air quality. Under explored areas like ISO (International Organization for Standardization) certification, Ocean health and Carbon Footprint were also discussed.