On the Relationship of the Unity of Opposites Among the Divergences of the Environmental Ethics' Three Major Theories

In the present study of the Environmental Ethics in China, there exist somewhat great divergences in its research objects, the relation between tool value and inner value, three theories of human-center, life-center and environment-center. The present paper supposes that, actually, in the terms of philology, these divergences are the forms of the law of the unity of opposites between the identity and the struggle of contradictory, the result of human's understanding of the ethic-moral relation between the man and the living environment, and whose internal cause is from the different knowledge of the notion and connotation of the environment.