Environmental protection is our bounden duty.One earth,it is our survival environment.It is our vital,is our thermometer,her good we.So how to protect our vital?First,we have to large areas of planting trees,trees can purify environment.Second,we want to supervise each other,can not spit,can not optional destruction of the environment,the offenders shall be given punishment.And a lot of details to note.Why want to protect the environment?Because we want to live in this environment,she is we want to breathe oxygen.Only she well we will be good.Is the so-called 'everyone good be really good.' protection she is our responsibility