I have never put much thought into the impact population growth has on our environment until I was given this assignment. I believe that political, economic and social obstacles have a serious bearing on controlling population growth and it would be possible yet extremely difficult to reach zero population growth in the US by 2003. There are three main factors that have an impact on the population, immigration, births and mortality. Immigration and birth rate and fecundity affect the growth of the United State's population and mortality affects decrease in amount of people. …
