Acidrain20154592AirpollutionWaterpollutionSoilpollutionNoisepollutionHumanbehaviorhascausedgreatharmtotheecologicalenvironment.Youmustpayforwhatyouhavedone.SmogAcidrainChapter1whatisacidrain?‘Acidrain’isabroadtermusedtodescribeseveralwaysthatacidsfalloutoftheatmosphere,amoreprecisetermisaciddeposition.Inshort,acidrainisarainoranyotherformofprecipitationthatisunusuallyacidic.AcidrainChapter2Theharmofacidraintotheenvironment.Itisthoughtthatacidraincausestreestogrowsloweroreventodie.Astheacidityofalakeincreases,thewaterbecomesclearerandthenumbersoffishandotherwateranimalsdecline.Everytypeofmaterialwillbecomeerodedsoonerorlaterbytheeffectsoftheclimate.Statues,buildings,vehicles,pipesandcablescanallsuffer.Theworstaffectedarethingsmadefromlimestoneorsandstoneasthesetypesofrockareparticularlysusceptibleandcanbeaffectedbyairpollutioningaseousformaswellasbyacidrain.AcidrainChapter2Theharmofacidraintotheenvironment.rockAcidrainChapter3SolutionsinchinaImprovetheenvironmentallawsandregulations,strengthensupervisionandmanagement.Adjusttheenergystructure,improvingcombustiontechnology.Tostrengthenafforestation,toexpandthegreenarea.Controlvehicleexhaust.Increasepublicparticipation.AcidrainChapter3SolutionsinothercountriesInternationaltreaties.Anumberofinternationaltreatiesaboutatmosphericpollutionhavebeenagreed.(CanadaandtheussignedtheAirQualityAgreementin1991.)Emission(排污权)tradingisamarket-basedapproachusedtocontrolpollutionprovidingeconomicincentivesforachievingreductionsintheemissionsofpollution.Ifallcountriesmakecontributiontoprotectingtheenvironment,theworldwillbecomemuchmorebeautiful.