Describe a serious problem in your hometown/city. You should say: • what it is • what has caused this problem • what can be done about the problem. • and explain why you think it is serious.

Today I would like to talk to you about the serious problems in my country. One of the most headline issues about the environment is air pollution. There have been several reasons why air pollution has become a serious issue. Firstly, with the strong development of the world, there have been several big factories and [...]