Time Justice and Space justice:A new Ethical Outlook about Sustainable Development——viewing the reconstruction of the ethical level of sustainable development from U.N conference of heads of government about sustainable development(Johannesber

With U.N conference of heads of government about sustainable development(Johannesberg,2002)in view,this paper indicates at present an important factor which puzzled the sustainable development of the whole world is,we didn't build up a basic Outlook in the ethical level of sustainable development,and the reason leading to this situation is the old ethical outlook of sustainable development ignoring time and space which is the basic component of sustainable development and not distinguishing its implications in nature dimension and social dimension. From putting forward the two concepts of time justice and space justice,this paper expounds a new outlook in reconstructing the ethical level of sustainable development.