⁷⁰ On Native American attitudes to land, see Guruswamy, Palmer, and Weston (eds.), International Environmental Law and World Order, 1994, pp. 298-299. On American Indian attitudes, see further J. Callicott, "The Traditional American Indian and Western European Attitudes Towards Nature: An Overview", 4 Environmental Ethics 293 (1982); A. Wiggins, "Indian Rights and the Environment", 18 Yale JInt'l Law 345 (1993); J. Hughes, American Indian Ecology (1983).