What do unions and environmental groups have to gain by working together and how do they overcome their differences? In Blue-Green Coalitions, Brian Mayer answers these questions by focusing on the role that health-related issues have played in creating a common ground between the two groups. By recognizing that the same toxics that cause workplace hazards escape into surrounding communities and the environment, workers and environmentalists are able to collaborate for the protection of all. Mayer examines three contemporary cases of successful labor-environmental alliances to demonstrate how health and safety issues are used to create durable and politically influential social movement coalitions: Alliance for a Healthy Tomorrow, a coalition of environmental, labor, community, and public health organizations in Massachusetts that has developed a successful prevention-based approach to safe workplaces and a clean environment.The Work Environment Council in New Jersey, which succeeded