环境污染与保护2-英文

EnvironmentalpollutionGroupmembers:ChenJuanXuMengWangMingYanChunyan

Actually,theenvironmentinwhichweliveisverybad!

Theseenvironmentalproblemscomedowntohuman'sactivities.Whatisnotindoubtisthedevastatingeffecthumansarehavingontheanimalandplantlifeoftheplanet.Whatispollution?Pollutioncanbedefinedasanundesirablechangeinthephysical,chemical,orbiologicalcharacteristicsoftheair,water,orlandthatcanharmfullyaffecthealth,survival,oractivitiesofhumansorotherlivingorganisms.FourmajorFormsofpollution:1.Wasteonland2.Waterpollution3.Airpollution4.Noiseproblems1.WasteonlandTwotypesofpollutantsdegradablenondegadableDDT,radioactivematerialmercury,lead,plasticsWasteonlandWecanseerubbisheverywhere.2.WaterpollutionThepollutantsaredischargedintorivers,lakes,seasandunderground,whichmakesthewaterquality,sedimentandorganismschange,reducingthewater’susingvalueandfunction.WaterpollutionDeadFishesWaterpollutionWaterpollutionisfoundinmanyforms:FactorywastecitysewageheatedwaterfertiliserandmanuresudsystreamsplasticglobulesradioactivedischargesedimentCitySewage(下水道的污物〕:usedwaterandwastesubstancesthatareproducedbyhumanbodiesintheirdailylifeandarecarriedawayfromhousesthroughspecialpipes.factorywastesSomeradioactivedishargefromnuclearpowerplantsfactorywastesHeatedwaterfrompowerandindustrialplantsmarinepollutionLakeEutrophication(湖水富营养化〕3.AirpollutionAirpollutionisnormoallydefinedasairthatcontainsoneormorechemicalsinhighenoughconcentrationstoharmhumans,otheranimals,vegetation,ormaterials.AirpollutionTwomajortypesofairpollutantsachemicaladdeddirectlytotheairthatoccursaharmfulconcentrationaharmfulchemicalformedintheatmospherethroughachemicalreactionamongaircomponentsThere

areabout100kindsofatmospherepollutionnow.Itiscausedmainlybynaturalfactors(suchasforestfires,volcaniceruptions,etc.)andhumanfactors(suchasindustrialemissions,lifecoalburning,explosions,etc.),andespeciallythelatteristhemostimportantone.Thereasonstocausetheairpollution:Theairpollutionchangestheconditionsthatwedependon,suchasthegreenhouseeffectandtheacidrain.Itcausesmanydiseases,too.Factoriesreleasesomuchgastothesky.4.NoiseproblemsPeopleusemachinestoproduceleisure,asaresult,machinesevenspoiltheirleisure.noisepollutionTwocuresfornoisestopitatitssourceabosorbitonitswaytotheearthedamageofnoisepollution1.Noisecandamagehearing;2.Noiseinterfereswithsleep;3.noiseinterferesconversation,communication,thinking;4.Noiseinducesavarietyofdiseases:bloodpressure,indigestion,lossofappetite;5.Noiseimpactssafetyproductionandlowerslaborproductivity...Thefigurebelowshowsthenoiseleveldiagramofthehumanimpacting,canbeseenasthenoiselevelimprove,peopleincreasinglysignificant.Sowhatshouldwedo?Usegreenshoppingbagsinsteadofplastics.

Choicebusesbuttaxiesasourtransportation.Raisethetemperatureofair-conditioning.Turnoffthelightbeforeyougetout.Plantmoretrees,protecttheforestsandalltheanimals;

Useofrenewablematerials;Restricttheuseofprivatecars;

Implementofsustainableeconomicdevelopment...

Theidealenvironmentthatweallw