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环境污染英文PPT.ppt 18页

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  • 2022-05-26 16:46:09 发布

环境污染英文PPT.ppt

  • 18页
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Environmentpollution主讲人：赵天涯 Whatispollution?Pollutionistheintroductionofacontaminantintotheenvironment.Itiscreatedmostlybyhumanactions,butcanalsobearesultofnaturaldisasters.Pollutionhasadetrimentaleffectonanylivingorganisminanenvironment,makingitvirtuallyimpossibletosustainlife landpollution12waterpollution3noisepollution4lightpollution5Thetypesofpollutionairpollution Landpollution LandpollutionLandpollutionispollutionoftheEarth’snaturallandsurfacebyindustrial,commercial,domesticandagriculturalactivities.Someofthemaincontributorstolandpollutionare:ChemicalandnuclearplantsIndustrialfactoriesOilrefineriesHumansewageOilandantifreezeleakingfromcarsMiningLitteringOvercrowdedlandfillsDeforestation HowtoPreventLandPollutionThebestwaytopreventlandpollutionistorecycle.Hereareafewotherwaysyoucanreducelandpollution:ReuseanyitemsthatyoucanBuybiodegradableproductsEatorganicfoodsthataregrownwithoutpesticidesDon’tusepesticidesBuyproductsthathavelittlepackagingDon’tdumpmotoroilontheground AirPollution AirPollution AirPollutionSomeofthemaincontributorstoairpollutionare:AutomobileemissionsTobaccosmokeburningofcoalAcidrainPowerplantsManufacturingbuildingsLargeshipsPaintfumesWildfiresNuclearweapons HowtoPreventAirPollutionThenumberonewaytopreventairpollutionistowalkorbikemoreanddriveless.Thiswillpreventfossilfuelsfrompollutingtheair.Herearesomeotherwaystopreventairpollution:CarpoolorjoinaridesharewithfriendsandcoworkersDon’tsmokeKeepyourcarmaintenanceup-to-dateWhenyoudriveaccelerateslowlyandusecruisecontrolAlwaysreplaceyourcar’sairfilterDon’tuseharshchemicalcleanersthatcanemitfumesInspectyourgasappliancesandheatersregularly WaterPollution WaterPollutionSomeofthemaincontributorstowaterpollutionare:FactoriesRefineriesWastetreatmentfacilitiesMiningPesticides,herbicidesandfertilizersHumansewageOilspillsFailingsepticsystemsSoapfromwashingyourcarOilandantifreezeleakingfromcarsHouseholdchemicalsAnimalwaste HowtoPreventWaterPollutionThebestwaytopreventwaterpollutionistonotthrowtrashandotherharmfulchemicalsintoourwatersupplies.Hereareafewmorewaysyoucanpreventwaterpollution:WashyourcarfarawayfromanystormwaterdrainsDon’tthrowtrash,chemicalsorsolventsintosewerdrainsInspectyoursepticsystemevery3-5yearsAvoidusingpesticidesandfertilizersthatcanrunoffintowatersystemsUsenon-toxiccleaningmaterialsCleanupoilandotherliquidspillswithkittylitterandsweetthemupDon’twashpaintbrushesinthesink noisepollution LightPollution LightPollution THANKYOU!

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