Student or Learner
Over the past few years, there has been a controversy (over) overpopulation. This essay will discuss that overpopulation causes, problems(the problems overpopulation causes) and suggest one possible solution (to) this issue.
In poor countries(, it) is difficult to offer clean water even (to the ) present number of people. Besides, medical care to limit a lot of aged per family is not always successful. In addition, overpopulation cause(s) the lack of public facilities.
When you write an essay about a certain debate, in the introduction, is it desirable to say "This essay will discuss" or "I will discuss"?