Withtherapiddevelopmentofeconomyandtheexcessiveusingofoilandcoal,theairischanging.Andsuchchangingalsoconstantlyinfluencestheweatherandtheclimate.AccordingtothefourthassessmentreportissuedbytheClimaticChangeTechnicalCommitteeoftheUnitedNations,thehumanactivityistheprimarycauseoftheclimatewarmingfornearly50yearsprobablely.Thehumanactivityemissions,includingthecarbondioxide,themethane,thenitrousoxideandsoon,causetheglobalclimatewarming.Underthebackgroundoftheglobalclimatewarming,extremeclimateoccuredfrequentlyandtheecologicalenviromentdeteriorated.Theairpollutionbecomeworse,whichthreatenthehumansurvivalanddevelopment.

　　Toprotecttheenvironment,thegovernmentmusttakeevenmoreconcretemeasures.First,thegovernmentshouldletpeoplefullyrealizetheimportanceofenvironmentalprotectionthrougheducation.Second,thegovernmentshouldencouragethepeopletousetheenvironmentfrienflyproduct.Finally,thosewhodestroytheenvironmentintentionallyshouldbeseverelypunished.Weshouldletthemknowthatdestroyingenvironmentmeansdestroyingmankindthemselves.