Tuesday, November 19, 2013

                            

 SOUTH ASIA

            South Asia's size and growth rate have assured it a prominent role in discussions of world problems, and also issues poised to became the most populous region in this coming century.Feeding this burgeoning population will pose a major challenge for this region.The geopolitics of the region  cause much international concern,particularly since two rivals in this region,India and Pakistan, nuclear weapons.Other ethnic conflicts are found throughout the region. 

                              Economic development in south Asia is highly variable.while one Indian state is developing a strong computer hardware and software industry.Other states are among the world,s poorest Bangladesh is developing a strong textile industry.While Nepal is opening its doors to tourists.Women is south Asia continue to face many challenges,but there are bright spots,such as the efforts of Grameen  bank to help women establish small scale enter prices.Much uncertainly remains about the direction of this region in the coming decades.     

 










 

Tuesday, November 5, 2013

water pollution

                          Water pollution is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. An estimated of 580 people in India die of water pollution related sickness every day. Some 90% of china's cities suffer from some degree of water pollution and nearly 500 million people lack access to safe drinking water. In addition to the acute problems of water pollution in developing countries, developed countries continue to struggle with pollution problems as well.
                           
                            In the most recent national report on water quality in the United States, 45 percent of assessed stream miles, 47 percent of assessed lake acres, and 32 percent of assessed bays and estuarine square miles were classified as polluted.


  











Monday, November 4, 2013

Air pollution

                        Air pollution is the introduction in to the atmosphere of  chemicals, particulates, or biological materials. That cause discomfort, diseases or death to humans, damage other living organisms. Such as food crops, or damage the natural environment. 
                       The atmosphere is a complex dynamic natural gaseous system. That is essential to support life on planet earth.stratospheric ozone depletion due to air pollution has long  been recognized as a threat to human health as well as to the earth's ecosystem.