Nowmoreandmorepeoplegettoknowit'simportanttoprotectourlivingenvironment.Asastudent,it'smydutytodosomethingfortheearth.Fromnowon,I'llgotoschoolbybikeoronfootinsteadofinacar.I'llusefewerplasticbagstoreducewhitepollution.InordertosaveenergyI'llplantmoretreessothattheairwillbefresher.I'lltakelessliftandreusewater.Atlastlwillusesecond-handbooks,sowedon'tneedtocutdownmoretrees.Ifeveryonetakesaction,ourenivronmentwillbebetterandbetter.Ourworldwillbemorebeautiful.