Fundamental Issues in Economic Approach to Resources and Environmental Issues,Welfare economics,It attempts to identify circumstances under which it can be claimed that one allocation of resources is better(in some sense) than another. This is the modern,and rigorous,version of Adam Smiths story about the benign influence of the invisible hand.,Environmental economics,The problem of pollution is a major concern of environtal economics. Environmental economics is also concerned with the natural environment as a source of recreational 修养的and amenity 宜人的services,which role for the environment can be analyzed using concepts and methods similar to those used in looking at pollution problems.,Ecological economics,Economics and ecology were seen as the two disciplines most directly concerned with what was seen as the central problem-sustainability. It could be said that ecology is the study of natures housekeeping,while economics is the study of human housekeeping.,