Whatispollution?

Pollutionistheintroductionofacontaminantintotheenvironment.Itiscreatedmostlybyhumanactions,butcanalsobearesultofnaturaldisasters.Pollutionhasadetrimentaleffectonanylivingorganisminanenvironment,makingitvirtuallyimpossibletosustainlife第一頁(yè)第二頁(yè)，共18頁(yè)。landpollution12waterpollution3noisepollution4lightpollution5Thetypesofpollutionairpollution第二頁(yè)第三頁(yè)，共18頁(yè)。

Landpollution第三頁(yè)第四頁(yè)，共18頁(yè)。

LandpollutionLandpollutionispollutionoftheEarth’snaturallandsurfacebyindustrial,commercial,domesticandagriculturalactivities.Someofthemaincontributorstolandpollutionare:ChemicalandnuclearplantsIndustrialfactoriesOilrefineriesHumansewageOilandantifreezeleakingfromcarsMiningLitteringOvercrowdedlandfillsDeforestation第四頁(yè)第五頁(yè)，共18頁(yè)。

HowtoPreventLandPollutionThebestwaytopreventlandpollutionistorecycle.Hereareafewotherwaysyoucanreducelandpollution:ReuseanyitemsthatyoucanBuybiodegradableproductsEatorganicfoodsthataregrownwithoutpesticidesDon’tusepesticidesBuyproductsthathavelittlepackagingDon’tdumpmotoroilontheground第五頁(yè)第六頁(yè)，共18頁(yè)。AirPollution

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AirPollution第七頁(yè)第八頁(yè)，共18頁(yè)。

AirPollutionSomeofthemaincontributorstoairpollutionare:AutomobileemissionsTobaccosmokeburningofcoalAcidrainPowerplantsManufacturingbuildingsLargeshipsPaintfumesWildfiresNuclearweapons第八頁(yè)第九頁(yè)，共18頁(yè)。HowtoPreventAirPollutionThenumberonewaytopreventairpollutionistowalkorbikemoreanddriveless.Thiswillpreventfossilfuelsfrompollutingtheair.Herearesomeotherwaystopreventairpollution:Carpoolorjoinarideshare

withfriendsandcoworkersDon’tsmokeKeepyourcarmaintenanceup-to-dateWhenyoudriveaccelerateslowlyandusecruisecontrolAlwaysreplaceyourcar’sairfilterDon’tuseharshchemicalcleanersthatcanemitfumesInspectyourgasappliancesandheatersregularly第九頁(yè)第十頁(yè)，共18頁(yè)。

WaterPollution第十頁(yè)第十一頁(yè)，共18頁(yè)。

WaterPollutionSomeofthemaincontributorstowaterpollutionare:FactoriesRefineriesWastetreatmentfacilitiesMiningPesticides,herbicidesandfertilizersHumansewageOilspillsFailingsepticsystemsSoapfromwashingyourcarOilandantifreezeleakingfromcarsHouseholdchemicalsAnimalwaste第十一頁(yè)第十二頁(yè)，共18頁(yè)。HowtoPreventWaterPollutionThebestwaytopreventwaterpollutionistonotthrowtrashandotherharmfulchemicalsintoourwatersupplies.Hereareafewmorewaysyoucanpreventwaterpollution:WashyourcarfarawayfromanystormwaterdrainsDon’tthrowtrash,chemicalsorsolventsintosewerdrainsInspectyoursepticsystemevery3-5yearsAvoidusingpesticidesandfertilizersthatcanrunoffintowatersystemsUsenon-toxiccleaningmaterialsCleanupoilandotherliquidspillswithkittylitterandsweetthemupDon’twashpaintbrushesinthe