Water_Pollution水污染英文PPT复习过程.ppt

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1、Water_Pollution水污染英文PPTAllaboutWaterpollution2.influence3.solution1.CauseNowadays,waterpollutionisdeteriorating.Rivers,lakesandevenoceansallovertheworldarebecomingpollutedbygarbageanddangerouschemicals.OilandotherChemicalscankillfishandmakewaterunsafefordrinking.Beforewethinkaboutwhatshoul

2、dwedotosolvethisproblem,weshouldfirstknowwhatcausetheproblem.Cause1.NaturalpollutionDuetothedissolutionofgeological,atmosphericprecipitationleaching,erosionontheground,mixthevariouspollutantsintothewater因地质的溶解作用，降水对大气的淋洗、对地面的冲刷，挟带各种污染物流入水体而形成2.Man-madepollutionindustrialwastewater(工业废水)Dai

3、lylifesewage(生活污水)Pesticideandfertilizerpollution（农业化肥污染）Thesedodamagetothequalityofwater.BACKWaterPollutiondistributionWaterpollutionisoneofthemostseriousproblemsthatmankindfacestoday.1.Forbusinessorindustry,itaffectsproducts’quality,increasedcorrosionofproducts,andsoon.2.Forindividual,it

4、doesdamagetothehuman’shealthy.Therearemanyinfluencethatwecan’tdescribethembywords.SoIwillshowyousomepictures.InfluenceDischargingsewageintowaterWaterhyacinth水葫芦RedtidereasonsofformredtideWatereutrophicationMeteorologicalandhydrologicalandphysicalandchemicalpropertiesoftheseaDamagesofredtid

5、eDamageHarmtohuman'shealthDestructionofMarinefisheryresourcesandaquaticproductsHarmtohumanhealthThegarbageinwaterBackWhatcanWeDo?WaterPollutionStopPollutionEnvironmentalProtectionWaterConservationEveryonewantstoreducepollution.Butthepollutionproblemisascomplicatedasitisserious.Whatshouldwe

6、dotosolvethisproblemGradually?SolutionForgovernment1Toestablishtheurbansewagetreatmentsystem(城市污水处理系统的建立)2TorestructurtheIndustrial（调整产业结构）3.Todevelopthenewwatersources4.Tostrengthentheplanningandmanagementofwaterresources5.Tocontroltheagriculturalnon-pointsourcepollution（控制农业面源污染）ForBusin

7、essToreducewaterconsumption(减少耗水量)Tobuyequipmentofsewagetreatment(买污水处理设备)Don‘tdischargesewageintowater.(不要乱排污水)4.ToestiblishthewaterrecyclingsystemForindividual1.Don’tusecleanerconcludePollution.2.Don’tthrowthegarbageintotheriverorsea.3.Tellthepersonaroundyou