Biggest problem
... In my opinion, although the Chinese government has concentrate on dealing with the problem of overpopulation for an estimated two decades, it still seems to be the biggest problem which China has to face over the next 10 years. ... It is indeed the biggest issue which China has to face over the next 10 years. ... In conclusion, due to the present serious circumstance and the negative effects of overpopulation in my country, I do think it is still the biggest problem facing China over the next 10 years.