2014年3月7日 Nowdays，it is an important problem that environment protection has become a major concern for society。In their concern，teachers and students should discuss the problem that how to protect environment。At the same time，city planners take environmental problems into consideration。And it is also important for factories to reduce pollution。Therefore，everyone should take measures to protect environment。Because we breathe the fresh air and drink water every day，but they affect us。Finally，we can make it difficult for cities to survive and business to make a profit。