The relationship between man and nature seems highly diverse during the evolving process of human society. Numerous destructive consequences incurring from the carly stage of the industrialization led to man＇s severe concern about ecological and environment issues. In 1972, a book entitled “The Limits To Growth” ushered in a worldwide argumentation campaign, and forced man to realize that the bearing capacity of ecological surroundings is finite, and the quantity of resources is numbered as well. Admittedly, the human advance in science and technology, from the long-term viewpoint, is capable of discovering new types of energy and resources. However, each specific period of human history is always endangered due to the crisis of energy and resources. Therefore the core of the retainable development lies in variation of the outdated pattern of economic growth as well as pursuit to the new substitutes.
