A major challenge for mankind is an informed respose to unprecedented urban growth and the intelligent mangement of urban settlements. The 20th century began with perhaps a dozen cities of 1 million resisdents; it will end with several hundred cities of that size, including about 30 urban areas with population exceeding an arbitrary threshold of 8 million. Most of today?s cities provide neither equilibrium with the enviornment nor stability for its citizens. Ever since the the concept of sustainable development became widely known through the 1980 World Conservation Strategy and 1987 report of Burndtland Commision, it has been dismissed, ignored and forgotten about as far as most major cities are concerned. Many cities have long records of inadequate or ill-advised planning, or in some cases no planning at all. The result is often poverty, inadequate housing, contaminated or depleted water supplies, air pollution, and other forms of environmental degradations. Still the id!
ea of a sustainable city is not out of reach and in some cases have been truned into a reality. Now, more than ever before, city governments in alls parts of the world are seeing the need to plan their policies and the use of the land under
es. The provision of water and wastewater service for the growing population in the cities presents a formidable challenege.
Destruction of natural landscape; reducing biodiversity
All papers and essays are for research and reference purposes only!
Copyright 2002-2009
Direct Essays , LLC. All Rights Reserved. DMCA Webmasters make $$$$