Natural Ecological Thinking of Marx and Engels and the Scientific Concept of Development

Marx and Engels' early classics implies a series of brilliant and valuable natural ecological thinking with the characteristics of practice,dialectic and criticism,such as the dialectical unity of man and nature,the sustainable development of ecological resources.The concept of scientific development of socialism with Chinese charactenstics is,under the guidance of Marxist methodology,through the profound perception of Marx and Engels' natural ecological thinking,a heritage and development of Marx and Engels' theory on man and nature.