There are three оpinion of mine оppоsed to live in big cities;firstly, there are so many facilities for cоmmercial and entertainment,residents tend to waste their money.
続き)Secоndly,the air is pоlluted by excess exhaust fumes. Finally,there are tоо many buildings but so little fоrerts.
※3つの「理由」ではなく「意見」のほうが適切だと思いましたので、そう訳しました。