Living with the Earth: Concepts in Environmental Health Science -A Web-Enhanced Book incorporates traditional concepts in environmental and health science with new emerging and controversial issues associated with environmental threats to human health and ecology. Opposing scientific views on major issues are presented with a balanced and objective view. The more than 280 richly detailed graphs charts figures and photographs make difficult concepts easy to grasp. The glossary provides over 300 definitions and a section on acronyms and abbreviations. This web-enhanced book has a technological edge. The Web site is classroom tested and designed to maximize the use of the Living with the Earth as a textbook. It is a dynamic site that will continue to evolve as new information becomes available and new technologies emerge. The student website has several sections that include: (1) a Book Study Guide featuring detailed chapter notes complete with printable color graphics; (2) Sample Questions for each chapter with separate answer sheets including page numbers where the information on the answers may be found; (3) a News Flash-Hot Topics section featuring information on the latest news and hot topics; (4) Chapter Web-Links maintained by reputable government academic or private professional groups which will provide useful and on-going information for each chapter; and (5) Searchable Databases specifically for environment and health that allow students to do keyword searches. The instructor will have access to all of these Web site features plus a comprehensive Test Bank for each chapter with downloadable test files and separate answer sheets. The instructor section also contains over 1100 downloadable Powerpoint presentation slides complete with color graphic images for each chapter. All of these electronic files may be augmented or changed by the instructor. Because the author is keeping the text current via his Web site this is a living environmental health book reflecting the latest information. This textbook is suitable for graduate and undergraduate students in Environmental Health Environmental Sciences Community Health Education Epidemiologists Civil Engineers and Public Health. Features