Part 1 of Essay
What does it man to be overpopulated? To some it means living in a world with more than 1 billion people. By that standard, we would have been overpopulated in the mid 19th century. should be defined as a situation where it is impossible to provide everyone on the earth a standard of living that is at a normal level. M ....

Part 2 of Essay
.... population growths. Unless population growth is slowed, food production shortages and environmental degradation will persist. Today, more than 99 percent of the world's food supply comes from land, the continous production of adequate food supply is directly dependent on land, water, and energy. As the population increases, so does the amount of resources needed. Even though they are not depleted, they are declining at a significant rate because they are divided by such a large number. Fertile cropland is als ....