This book is a college-level textbook for introductory courses in environmentalhealth and environmental sciences. It is suitable for both undergraduate and graduatelevel courses for students of environmental health, environmental sciences, community health education, epidemiologists, civil engineers, community medicine, generalmedicine, and public health.This book contains 14  chapters on thesubject of environmental health sciences. The contents  incorporates both the traditional concepts associated withenvironmental health, along with new, emerging, and controversial issues associatedwith environmental threats to human health. Emphasis is placed on biological,chemical, and physical sources of pollution, and the methods of controlling orlimiting those exposures. Careful attention is paid to presenting a balanced viewrepresenting opposing scientific views on major issues ranging from the greenhouseeffect to reproductive problems associated with endocrine disruptors.