Examines the philosophical and ethical issues underlying contemporary and historical environmental issues, policies, and debates. Covers concepts, institutions, topics, events and people, including global warming, animal rights, environmental movements, alternative energy, green chemistry, industrial ecology, and eco-sabotage. J. Baird Callicott and Robert Frodeman, eds. Macmillan Reference USA. 2 vols. Available through the Gale Virtual Reference Library (GVRL).