欢迎来到天天文库
浏览记录
ID:52227613
大小:13.14 MB
页数:18页
时间:2020-04-03
《环境污染英文PPT.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Environmentpollution主讲人:赵天涯Whatispollution?Pollutionistheintroductionofacontaminantintotheenvironment.Itiscreatedmostlybyhumanactions,butcanalsobearesultofnaturaldisasters.Pollutionhasadetrimentaleffectonanylivingorganisminanenvironment,makingitvirtuallyimpossibletosustainlifelandpollutio
2、n12waterpollution3noisepollution4lightpollution5ThetypesofpollutionairpollutionLandpollutionLandpollutionLandpollutionispollutionoftheEarth’snaturallandsurfacebyindustrial,commercial,domesticandagriculturalactivities.Someofthemaincontributorstolandpollutionare:ChemicalandnuclearplantsIndu
3、strialfactoriesOilrefineriesHumansewageOilandantifreezeleakingfromcarsMiningLitteringOvercrowdedlandfillsDeforestationHowtoPreventLandPollutionThebestwaytopreventlandpollutionistorecycle.Hereareafewotherwaysyoucanreducelandpollution:ReuseanyitemsthatyoucanBuybiodegradableproductsEatorgani
4、cfoodsthataregrownwithoutpesticidesDon’tusepesticidesBuyproductsthathavelittlepackagingDon’tdumpmotoroilonthegroundAirPollutionAirPollutionAirPollutionSomeofthemaincontributorstoairpollutionare:AutomobileemissionsTobaccosmokeburningofcoalAcidrainPowerplantsManufacturingbuildingsLargeships
5、PaintfumesWildfiresNuclearweaponsHowtoPreventAirPollutionThenumberonewaytopreventairpollutionistowalkorbikemoreanddriveless.Thiswillpreventfossilfuelsfrompollutingtheair.Herearesomeotherwaystopreventairpollution:CarpoolorjoinaridesharewithfriendsandcoworkersDon’tsmokeKeepyourcarmaintenanc
6、eup-to-dateWhenyoudriveaccelerateslowlyandusecruisecontrolAlwaysreplaceyourcar’sairfilterDon’tuseharshchemicalcleanersthatcanemitfumesInspectyourgasappliancesandheatersregularlyWaterPollutionWaterPollutionSomeofthemaincontributorstowaterpollutionare:FactoriesRefineriesWastetreatmentfacili
7、tiesMiningPesticides,herbicidesandfertilizersHumansewageOilspillsFailingsepticsystemsSoapfromwashingyourcarOilandantifreezeleakingfromcarsHouseholdchemicalsAnimalwasteHowtoPreventWaterPollutionThebestwaytopreventwaterpollutionistonotthrowtrashandotherharmfulchemical
此文档下载收益归作者所有