Thisyear,withthehighspeeddevelopmentofeconomyinourcountry,theimprovementofpeople'slivingstandards.PollutionhavebecominganIncreasingConcerninChinasuchastheseriouspollutionofair,waterandsoil.thepollutedairdoesgreatharmtopeople’shealth.Thepollutedwatercausesdiseasesanddeath.Andthepollutedsoilisharmfulforourfood.Inmyopinion,themosturgentproblemisairproblemforourcountryAirqualityhasbecomeabigtopicinrecentyears.TensofmillionsofpeopleacrossChinahavebeenforcedtocopewithhighlevelsofPM2.5-particulate/pəˈtɪkjəlɪt/(微粒)mattersmallerthan2.5micrometersindiameterthatcanpenetratethelungsandharmtherespiratory,cardiovascular,cerebralvascularandnervoussystems.Airpollutionisnotjustaboutsorethroats,butreallymoreofamatteroflifeordeath.Theharmfuleffectsthatsmogcanhaveonthehumanbodyareoneofthetopconcernsamongthosewhoresideinthecountry’sbiggercities.Manyfactorsarecontributingtotheairpollution.Thepollutionofpeople’slife,industrialpollutionandtrafficpollution.Firstofall,inthelifeofpeople,theburningmineralfuel,manyharmfulgasesareemittedintheatmosphere,inaddition,decompositionandcombustionofLivinggarbagehasalsoproducedalotofharmfulgas.Secondly,thedischargeofindustrialwastegasisundoubtedlyoneofthemajorsourceofairpollution.Withthedevelopmentofeconomy,thegrowthinthenumberoffactoriesandindustrialmanagementisnotinplacesothatalargenumberofharmfulgasisemittedintheair.Finally,abigreasoniscausedbytheautomobileexhaustgaspollution.Therearealotofharmfulgasesintheexhaustemissionofvehicle.Tomyview,stifferlawsandregulationsmustbeimplementedtocheckpollution.Industriesthatreleasewasteswithoutpermissionshouldbeheavilyfined.Carsshouldbeequippedtominimizetheexhausttheyreleaseintotheair.Andtheuseofplasticbagsanddisposablemealboxesshouldbebanned.What'smore,themediashouldplayanimportantroleinimplantingasenseofenvironmentalconsciousnessintopeople'smind.Ifeverybodyworkstowardacommongoalofmakingtheenvironmentbetter,wecancreateacleanerandlovelierworldforusandforthecominggeneration.