I. The overpopulation can negatively affect ecology in terms of resources, increasing in diseases and famine, and global warming.
A. Tons of natural resources will be destroyed when the world population increases because the raise of demand of natural resource.
B. Many countries around the world, especially in developing countries which do not know how to control in population effectively, have faced with the increasing in diseases and famine problem.
C. Global warming is a problem when the temperature of the world is increased by greenhouse effect which is created by the use of transportation, manufacture industries, and etc.
II. Another negative impact of overpopulation is to society because it can create world conflict, poverty, and psychology.
A. World conflict can increase automatically when the world has a higher population. This can cause from religion, race, culture, land and so on.
B. Poverty is the state for the majority of the world’s people and nations. As the world has only limited resource, overpopulation can continuously create the poverty problem.
C. The psychology problem is another issue because people in this society has to work more than ever since the world is very competitive. They also even have to fight for their basic needs and everything to survive.
III. Economy problem is the last issue which is affected by overpopulation since it can generate low GDP per capita, high unemployment rate as well as lack of workforce.
A. Government of the countries that face with the overpopulation problem has to loan money from foreigners because they have to save their citizen from starvation.
B. As society with overpopulation provides only limited job, people who is lack of education or skill cannot get a job easily and can create a high unemployment rate.
C. Lack of quality workforce is created when poor family cannot support their children for higher education. Therefore, they do not have enough skill to generate a good quality of work, while people with high education will not work as a worker so that company has to hire immigrant.