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 im
2、possible to sustain life2land pollution12water pollution3noise pollution4light pollution5The types of pollutionair pollution3 Land pollution 4 Land pollutionLand pollution is pollution of the Earths natural land surface by industrial, commercial, domestic and agricultural activities.Some of the main
3、 contributors to land pollution are:Chemical and nuclear plantsIndustrial factoriesOil refineriesHuman sewageOil and antifreeze leaking from carsMiningLitteringOvercrowded landfillsDeforestation5 How to Prevent Land PollutionThe best way to prevent land pollution is to recycle. Here are a few other
4、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 ground6Air PollutionAir Pollution Air Pollution8 Air PollutionSome of the m
5、ain contributors to air pollution are:Automobile emissionsTobacco smokeburning of coalAcid rainPower plantsManufacturing buildingsLarge shipsPaint fumesWildfiresNuclear weapons9How to Prevent Air PollutionHow to Prevent Air PollutionThe number one way to prevent air pollution is to walk or bike more
6、 and drive less. This will 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 ca
7、rs air filterDont use harsh chemical cleaners that can emit fumesInspect your gas appliances and heaters regularly Water Pollution11 Water PollutionSome of the main contributors to water pollution are:FactoriesRefineriesWaste treatment facilitiesMiningPesticides, herbicides and fertilizersHuman sewa
8、geOil spillsFailing septic systemsSoap from washing your carOil and antifreeze leaking from carsHousehold chemicalsAnimal waste12How to Prevent Water PollutionHow to Prevent Water PollutionThe best way to prevent water pollution is to not throw trash and other harmful chemicals into our water suppli
9、es. Here are a few more ways you can prevent water 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 sink14 noise pollutionLight PollutionLight PollutionLight PollutionLight Pollution17THANK YOU!
