This introductory textbook provides an overview of how humans impact the environment and how the environment in turn influences the health of people. After discussion of environmental principles of ecology, the text explores how human activities can increase disease pathogens, magnify the effects of chemicals and technological devices, and change weather patterns. Coverage includes environmental risk assessment and intervention; pests and pesticides; environmental concerns of air, water, land, and energy use; waste management; housing and indoor environments; injury and safety issues; and occupational health and safety. The work concludes with a broad discussion of environmental and public health challenges. International covenants are discussed where relevant. All treatment of national laws and regulations is done in the context of the United States. Annotation ©2005 Book News, Inc., Portland, OR (booknews.com) Read Less