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EnvironmentalpollutionYanHello,everyone.Itisgreatformetomakethispresentation.Iwouldliketotalksomethingmoreboringbutserious.Mytopicis“Environmentalpollution”.BeforeIwrotethisspeech,Iresearchedtheinformationonline.IwasshockedwiththepicturesIsaw.Iamafraidofourfuture.Withtherapidlydevelopmentofworldeconomyandthegrowingworldpopulation,environmentalpollutionisoneofthemostseriousproblemthathumanbeginsfacetoday.Asisshowninthesepictures,thereareairpollution,waterpollution,soilpollutionandlightpollution.Differentkindsofpollutionhaveruinedourlives.Airpollutionisoneofthemajorproblemoftheworld.Agreatdealofenergyisneededtorunthefactories.Automobile,carsandplanesneedenergytoo.Nearlyalltheenergyiscomefromburningfossilfuels.Theburningproduceswastegases,someofwhichentertheatmosphere,causingairpollution.LastyearhazespreadallaroundthenorthernChina,especiallyinBeijingandHebeiProvince.Inthesepictures,allthepeopleputonanti-smogfacemask.Hazedestroyedbothenvironmentandourhealth.Hazeismixedupwithdust,smokeandotherdryparticles.Itisveryharmfulforus.Ifwebreathethehazeforsometime,wewillgetsickandevendie.Scientistsarefindingwaystostopthissituation.Theyarestudyingnewwaysofgeneratingelectricitythatmaybelessdamagingtheenvironment.Solarenergyandwindenergyarecleansourceofenergy.Peoplehopetheuseofthemwillincrease.Howeversolarenergyandwindenergyarestillexpensiveandunderdeveloped.Governmenthasinvestedinenvironmentalprotectionprojects.Asforourselves,weshouldalsoberesponsiblefortheenvironment.Wecantakeeffectivemeasurestoprotectit.Inourdailylife,therearemanywaystofightagainstpollution.Wecantravelbybikeoronfootinsteadofdrivingcars.Whenwegoshopping,wecanuseourownbagsinsteadofplasticbags.Intheoffices,usebothsidesofthepaper.Wecanplanttreestoreducetheinfluenceofairpollution.Itmaybethatwestillhavealongwaytogobeforewehavea“clean”world.Nearlyallthecountriesaretryinghardtopreventandcontrolpollution.Weneedtojointogethertofindagoodwaytosolvetheproblem.Wehaveonlyoneearth.Letusmaketheearthabetterplacetolivein.Thatisall.Thankyou!