There is no doubt that an increasing disharmony between man and nature is apparent, especially in phenomena such as malnutrition, soil erosion, gross pollution, and the attrition of the aesthetic qualities of parts of the environment which have cross-cultural value. One of the major concerns is that the increasing magnitude of human resource processes is creating a set of environmental problems, which in turn may impair not only the usefulness of the environment, but also its life-supporting capability, its ability to absorb wastes and its beauty.