1. Population Now the population of the world has reached 6 billion in 2000. And it is estimated to have 10.5~11 billion of population until the population of the world will stabilize. This means that the world will need to provide food, shelter, cloth for the addition of 5 billion people. But this is not the only problem. This additional population will worsen the condition of the land, and will shorten the natural resource rapidly. Also the health of the …showed first 75 words of 1739 total…

…showed last 75 words of 1739 total…the least developed countries, disease and death are primarily due to communicable, environment related disease. And these disease occur because of the lack of clean water and sanitation facilities. 300 million people suffer from acute malaria each year, the main water related illness. About one million people die each year of malaria most of them from Africa. If the fresh water would be available in Africa these death due to the malaria will be easily prevented.