2014.11.27 presentation 环境污染

EnvironmentalProblemsinChinaAirPollutionOutlineI.IntroductionA.ImportanceB.TypesII.OutdoorairpollutionA.CauseB.HarmC.SolutionIII.IndoorairpollutionA.HarmB.CauseC.SolutionIV.Sealed-spaceairpollutionA.CauseB.HarmC.Solution4Intro•≥15cubicmetersofairperday•≥2,000,000peoplediedperyearImportanceHarm5IntroOutdoorairpollutionIndoorairpollutionSealed-spaceairpollutionTypeHarm6OutdoorairpollutionBurningoffuelTraffictransportationFactoriesPowerplantsCoalburningCauseHarm7OutdoorairpollutionDustConstructionsitesDesertsCauseHarmMines8+HazeOutdoorairpollutionFog(tinywaterdrops)AirborneparticularsType1Harm9SO2SmogOutdoorairpollutionSulfurdioxidesmogSO2*SO42-Type2Harm+SulfurdioxideSO2compounds10SunlightHydrocarbon,etcOutdoorairpollutionNOxType3Harm+NitrogenoxidesPhotochemicalsmog11EyesHeadacheHarmOutdoorairpollutionNoseCoughLungsPotentialdiseaseHarm12WearamaskwhilegoingoutSolutionHarmWashface&handswhenyoureturnDrinkmorewater&eathealthfoodOutdoorairpollution13•70%timestayingindoorsHarmHarmIndoorairpollution•Agreatereffectonus•Causelife-longdisease14•HarmfulmaterialsCauseHarmIndoorairpollutionCH2OIndoor-decorationPaintFurnitureCookingStove15•Radiation&ElectromagneticRadiationCauseHarmIndoorairpollutionConcreteComputerMicrowaveCellPhone16OpenthewindowSolutionHarmIndoorairpollutionCarpetPutquiltsunderthesunKeepaplant17Sealed-spaceairpollutionTransportation&UndergroundbuildingsCauseHarmLackoffreshairLackofsunlight18•Thousandsofpeoplegooutbysubway/busCauseHarm•CO2&germs•Maxvalueat8:00&17:00Sealed-spaceairpollution19HarmHarmDiseasecanbeeasilyspreadSicknessDizzinessSealed-spaceairpollution20SolutionHarmWashhandsfrequentlyGooutwhenthere’renotsomuchpeopleBreathesfreshaironthehalfwaySealed-spaceairpollution21Alwayskeepyourselfclean!SummaryKeepaneyeontheairqualityDrinkmorewaterNowadays,waterpollutionisdeteriorating.Rivers,lakesandevenoceansarebecomingpollutedbygarbageanddan-gerouschemicals.Moreover,oilanddangerouschemicalscankillfishandmakewaterunsafefordrinking.Waterpoll-utionhasalreadybecomeoneofthetoptenmainenviron-mentalproblemsinChina.WaterPollutioneffectscausessolutions•Naturalpollution:Duetothedissolutionofgeologicalatmosphericpreciptationleaching,erosionontheground,mixandvariouspollutantsintothewater.•Man-madepollution:IndustrialwastewaterDailylifesewagePesticideandfertilizerpollutionToaquaticanimals:Waterpollutiondestroyestheirhabi-tatsandevenleadstotheirdeath.Toagricultureandindustry:Waterpollutionaffectsprod-ucts'quality,increasedcorrosionofproduct.Toindividual:Waterpollutiondamageshuman'shealth.Itissaidthatabout80%ofillnessand50%ofthedeathrat-eofchildrenisaresultofthewaterpollution.Toitself:Causingwatereutrophiciation(水体富营养化)andredtide.EffectswaterhyacinthSolutionsForgovernment:Toestablishurbansewagetreatmentsystem.Torestructureindustry.Tocontrolagriculturalnon-pointsource.Forbusiness:Don'tdischargesewageintowater.Establishwaterrecyclingsystem.Forindividual:Don'tthrowgarbageintotheriver.Tellthepersonaroundyoutoprotectwater.Planttreesastheydogoodtothepurificationofwater.Landpollution•土地污染situation•thedegree•thewholecountry••sewageirrigatedpollution•solidwaste150million32.5million2million10%situation•theeffect•theheavymetalpllution•thedirecteconomiclossesseriousconsequences•(1)throughthefoodchainendangerhumanbodyhealth.•(2)somelandpollutionhaveadirectdangersofradioactwhichwillaffecthumanhealthandsurvivalofotherspecies.•(3)Intermsofecologicalenvironmenteffect,landpollutionwilldirectlyresultindeteriorationofsoilproperties,sothatthevegetationandtheBiodiversitywillreduced.measures•(1)tostrengthenthemanagementofindustrial•wastegas,wastewater,wasteresidue.•(2)thereasonableuseofpesticidesandfertilizers.•(3)todisposalthefeces,garbageandsewage.•(4)topromotesewageirrigation.Howwecouldsolvetheseproblems?