环境污染英文课件.ppt

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1、,Environment pollution,主讲人：,1,What is pollution?,Pollution is the introduction of a contaminant into the environment.It is created mostly by human actions,but can also be a result of natural disasters.Pollution has a detrimental effect on any living organism in an environment,making it virtually imp

2、ossible to sustain life,2,land pollution,1,2,water pollution,3,noise pollution,4,light pollution,5,The types of pollution,air pollution,3,Land pollution,4,Land pollution,Land pollution is pollution of the Earths natural land surface by industrial,commercial,domestic and agricultural activities.Some

3、of the main contributors to land pollution are:Chemical and nuclear plantsIndustrial factoriesOil refineriesHuman sewageOil and antifreeze leaking from carsMiningLitteringOvercrowded landfillsDeforestation,5,How to Prevent Land Pollution,The best way to prevent land pollution is to recycle.Here are

4、a few other ways you can reduce land pollution:Reuse any items that you canBuy biodegradable productsEat organic foods that are grown without pesticidesDont use pesticidesBuy products that have little packagingDont dump motor oil on the ground,6,Air Pollution,Air Pollution,8,Air Pollution,Some of th

5、e main contributors to air pollution are:Automobile emissionsTobacco smokeburning of coalAcid rainPower plantsManufacturing buildingsLarge shipsPaint fumesWildfiresNuclear weapons,9,How to Prevent Air Pollution,The number one way to prevent air pollution is to walk or bike more and drive less.This w

6、ill prevent fossil fuels from polluting the air.Here are some other ways to prevent air pollution:Carpool or join a ride share with friends and coworkersDont smokeKeep your car maintenance up-to-dateWhen you drive accelerate slowly and use cruise controlAlways replace your cars air filterDont use ha

7、rsh chemical cleaners that can emit fumesInspect your gas appliances and heaters regularly,Water Pollution,11,Water Pollution,Some of the main contributors to water pollution are:FactoriesRefineriesWaste treatment facilitiesMiningPesticides,herbicides and fertilizersHuman sewageOil spillsFailing sep

8、tic systemsSoap from washing your carOil and antifreeze leaking from carsHousehold chemicalsAnimal waste,12,How to Prevent Water Pollution,The best way to prevent water pollution is to not throw trash and other harmful chemicals into our water supplies.Here are a few more ways you can prevent water

9、pollution:Wash your car far away from any stormwater drainsDont throw trash,chemicals or solvents into sewer drainsInspect your septic system every 3-5 yearsAvoid using pesticides and fertilizers that can run off into water systemsUse non-toxic cleaning materialsClean up oil and other liquid spills with kitty litter and sweet them upDont wash paint brushes in the sink,14,noise pollution,Light Pollution,Light Pollution,17,THANK YOU!,