Water-Pollution水污染英文PPT

AllaboutWaterpollution2.influence3.solution1.CauseNowadays,waterpollutionisdeteriorating.Rivers,lakesandevenoceansallovertheworldarebecomingpollutedbygarbageanddangerouschemicals.OilandotherChemicalscankillfishandmakewaterunsafefordrinking.Beforewethinkaboutwhatshouldwedotosolvethisproblem,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-madepollution1.industrialwastewater(工业废水)2.Dailylifesewage(生活污水)3.Pesticideandfertilizerpollution（农业化肥污染）Thesedodamagetothequalityofwater.BACKWaterpollutionisoneofthemostseriousproblemsthatmankindfacestoday.1.Forbusinessorindustry,itaffectsproducts’quality,increasedcorrosionofproducts,andsoon.2.Forindividual,itdoesdamagetothehuman’shealthy.Therearemanyinfluencethatwecan’tdescribethembywords.SoIwillshowyousomepictures.InfluenceDischargingsewageintowaterWaterhyacinth水葫芦Redtide•reasonsofformredtide•Watereutrophication•Meteorologicalandhydrologicalandphysicalandchemicalpropertiesofthesea•Damagesofredtide•DamageHarmtohuman'shealth•DestructionofMarinefisheryresourcesandaquaticproducts•HarmtohumanhealthThegarbageinwaterBackEveryonewantstoreducepollution.Butthepollutionproblemisascomplicatedasitisserious.WhatshouldwedotosolvethisproblemGradually?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）ForBusiness1.Toreducewaterconsumption(减少耗水量)2.Tobuyequipmentofsewagetreatment(买污水处理设备)3.Don‘tdischargesewageintowater.(不要乱排污水)4.ToestiblishthewaterrecyclingsystemForindividual1.Don’tusecleanerconcludePollution.2.Don’tthrowthegarbageintotheriverorsea.3.TellthepersonaroundyoutoprotectthewaterIfeveryonecanmakeacontributetopreservingwaterresources,Ibelievethatourworldwillbecomemoreandmorebeautiful!Thankyou!