In modern society， we tend to bee more and more aware of our living environment or physical environment， because we are not clean as before。 So many people now choose their house as to its environment but not its location and expenses to afford it。 As we all know， the environment pollution is more and more serious during these years， what we could do is to make great efforts in protecting environment gradually。 As to government pollution， as to mon people。 We also try to protect it and make it remain clean。 Although we have managed to protect the environment to a certain extent。 It is still a very long way to go