More than 100 professionals have contributed to this important book summarizing much of what is known about the issue of chemicals in the Great Lakes environment and the risks these chemicals pose to human health. The book makes significant recommendations for action in policy, communication, education, and research regarding the chemicals and their risks. The views of individuals from government, universities, industries, and public special interest groups in Canada and the United States have been integrated into a comprehensive statement that reflects scenarios that are applicable worldwide.