Abstract: This article gives a brief outline of a new field of scientific investigations, which is being intensively engaged by international scientific community of various disciplines and concerned by the people all over the world,now enti-tled"Earth System Science".Its advent is a consequnce of the urgent need to meet the challenge imposed by the severe crises of the deteriorating fundamental living environment of mankind-the earth's global change. Earth System Sciene regards the earth as an integrate system compo...