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Environmentpollution•主讲人：赵天涯Whatispollution?Pollutionistheintroductionofacontaminantintotheenvironment.Itiscreatedmostlybyhumanactions,butcanalsobearesultofnaturaldisasters.Pollutionhasadetrimentaleffectonanylivingorganisminanenvironment,makingitvirtuallyimpossibletosustainlifelandpollution12waterpollution3noisepollution4lightpollution5ThetypesofpollutionairpollutionLandpollutionLandpollution•LandpollutionispollutionoftheEarth’snaturallandsurfacebyindustrial,commercial,domesticandagriculturalactivities.•Someofthemaincontributorstolandpollutionare:•Chemicalandnuclearplants•Industrialfactories•Oilrefineries•Humansewage•Oilandantifreezeleakingfromcars•Mining•Littering•Overcrowdedlandfills•DeforestationHowtoPreventLandPollution•Thebestwaytopreventlandpollutionistorecycle.Hereareafewotherwaysyoucanreducelandpollution:•Reuseanyitemsthatyoucan•Buybiodegradableproducts•Eatorganicfoodsthataregrownwithoutpesticides•Don’tusepesticides•Buyproductsthathavelittlepackaging•Don’tdumpmotoroilonthegroundAirPollutionAirPollutionAirPollution•Someofthemaincontributorstoairpollutionare:•Automobileemissions•Tobaccosmoke•burningofcoal•Acidrain•Powerplants•Manufacturingbuildings•Largeships•Paintfumes•Wildfires•NuclearweaponsHowtoPreventAirPollution•Thenumberonewaytopreventairpollutionistowalkorbikemoreanddriveless.Thiswillpreventfossilfuelsfrompollutingtheair.Herearesomeotherwaystopreventairpollution:•Carpoolorjoinaridesharewithfriendsandcoworkers•Don’tsmoke•Keepyourcarmaintenanceup-to-date•Whenyoudriveaccelerateslowlyandusecruisecontrol•Alwaysreplaceyourcar’sairfilter•Don’tuseharshchemicalcleanersthatcanemitfumes•InspectyourgasappliancesandheatersregularlyWaterPollutionWaterPollution•Someofthemaincontributorstowaterpollutionare:•Factories•Refineries•Wastetreatmentfacilities•Mining•Pesticides,herbicidesandfertilizers•Humansewage•Oilspills•Failingsepticsystems•Soapfromwashingyourcar•Oilandantifreezeleakingfromcars•Householdchemicals•AnimalwasteHowtoPreventWaterPollution•Thebestwaytopreventwaterpollutionistonotthrowtrashandotherharmfulchemicalsintoourwatersupplies.Hereareafewmorewaysyoucanpreventwaterpollution:•Washyourcarfarawayfromanystormwaterdrains•Don’tthrowtrash,chemicalsorsolventsintosewerdrains•Inspectyoursepticsystemevery3-5years•Avoidusingpesticidesandfertilizersthatcanrunoffintowatersystems•Usenon-toxiccleaningmaterials•Cleanupoilandotherliquidspillswithkittylitterandsweetthemup•Don’twashpaintbrushesinthesinknoisepollutionLightPollutionLightPollutionTHANKYOU!