ABSTRACT
As we enter the twenty-first century, most people are aware of environmental problems and are concerned about the quality of life they can enjoy in their own locality. These feelings are triggered mainly by events affecting the air they breathe, the water they drink, or the open green spaces they are accustomed to using for leisure. In the main the problems arise from human use of land, air and water, for pressures on land and resources are higher than ever before, and growing fast.
