The branch of public health that delves into an analysis of the different aspects of the natural and built environment to determine how they affect human health is termed as environmental health. The assessment and control of all environmental factors which have negative impact on human health, as well as the creation of health-conducive environments and prevention of disease, are under the purview of this field. Some of the health concerns addressed within this field are air quality, climate change, food safety, waste disposal, biosafety, hazardous materials management, etc. Such studies are collectively approached from the sub-domains of environmental science, epidemiology, environmental and occupational medicine, and toxicology. The book studies, analyzes and upholds the pillars of environmental health and its utmost significance in modern times. It picks up individual branches and explains their need and contribution in the context of this area of study. This book will prove to be immensely beneficial to students and researchers in this field.