以保護環境為主題的英文演講稿以保護環境為主題的英文演講稿「篇一」Ladiesandgentlemen。Ifeelitagreathonortohaveachancetogiveaspeechhere,talkingaboutthehazeweather,whichcauseslotsofbadeffectsonourhealthandlife.Webreathepollutedair,makingussufferfromlungandliverdiseases.Besides,becauseofit,theflightshavetobecanceled.Allkindoftransportsmayrunintoeachother,resultinginmuchdamagesandlotsofinjuries。AsfarasIamconcerned,itishightimethatwedidsomething.Asindividuals,weshouldridetheundergroundorbusesinsteadofcarstoreducecarbondioxide.Asgovernment,moremeasuresshouldbetakenbycarryingouttherelatedlawonpollution。Insummary,werealllookingforwardtobreathefresherairandliveahappierlife.Everyoneshouldbeapartofthisjob。Thankyouforyourlistening。以保護環境為主題的英文演講稿「篇二」theimportanceoftreesasweallknow，treesareveryuseful.theyareofgreatbenefittomanasfollows：first，treesprovideuswithwoodandotherproducts；second，theirrootscanallowtheraintosinkinandkeepthesoil，sotheyhelptopreventdroughtsandfloods.treescancleanairandbeautifullife。unfortunately，nowadaysinmanypartsoftheworldlotsofpeoplefailtorealizetheimportanceoftrees.theyhavecuttreesdowninlargenumberswithoutaplan，whichmakesthesoilwashedaway.theydontknowwheretherenotrees，therainwashedawaythesurfaceofthesoilandthiscausesfloods。weoughttoplanttreeseachyearandcarefullylookafternewtreesinordernottomaketheforestslowlydisappear.onlyinthiswaycanwemaketheforestservemanforever。樹的重要性眾所周知，樹有很多的用處，人類從中得到如下很多益處：第一，樹給我們提供了木材和其他一些產品。第二，它們的根能讓雨水滲進并保持乒壤以免被水沖走，所以樹木可以預防旱災和水災。同時樹木還幫我們凈化空氣，美化生活。不幸的是，今天世界上很多地方人們沒有意識到樹木的重要性。他們無計劃的大量砍伐樹木，這樣使得土壤被破壞，他們不知道那沒有樹的地方，一下雨就把土壤的表層沖走了，導致洪災。我們應該多植樹，同時好好照顧小樹，不要讓森林一點點消失，只有這樣才能讓森林永遠為人類服務。protectionoftheenvironmentoncemandidnothavetothinkabouttheprotectionofhisenvironment.therewerefewpeopleontheearth,andnaturalresourcesseemedtobeunlimited。todaythingsaredifferent.theworldhasbecometoocrowded.weareusingupournaturalresources,andpollutingourenvironmentwithdangerouschemicals.ifwecontinuetodothis,humanlifeonearthwillnotsurvive。werealizethatiftoomanyfisharetakenfromthesea,therewillsoonbenoneleft.yet,withmodernfishingmethods,moreandmorefisharecaught.weknowthatiftoomanytreesarecutdown,forestswilldisappear.yet,wecontinuetousepowerfulmachinestocutdownmoreandmoretrees.weseethatifriversarepollutedwithwasteproducts,wewilldie.yet,wasteproductsarestillputintorivers。weknowthatifthepopulationcontinuestoriseatthepresentrate,inafewyears,therewontbeenoughfood.whatcanwedotosolvetheseproblems?ifweeatmorevegetablesandlessmeat,therewillbemorefoodavailable.landforcropsfeedsfivetimesmorepeoplethanlandwhereanimalsarekept.ournaturalresourceswilllastlongerifwelearntorecyciethem。theworldpopulationwillnotrisesoquicklyifpeopleusemodernmethodsofbirthcontrol。finally,ifweeducatepeopletothinkabouttheproblemsweshallhaveabetterandcleanerplanetinthefuture。保護環境過去，人們不必擔心保護環境的問題。因為那時地球上人口稀少，自然資源似乎取之不盡。如今，一切都改變了。世界變得擁擠異常。我們正在耗盡我們的自然資源，有毒化學制品的使用也正污染著環境。如果我們繼續這樣下去，地球上的生命將不復存在。我們都知道如果從海里捕捉太多的魚，海里就不會再有魚了。但是，現代化的捕魚技術使得捕魚量越來越大。我們都知道如果砍伐太多的樹木，森林就會消失。但是，我們仍舊使用強大的機械砍伐越來越多的樹木。我們都知道如果河水被廢棄物污染的話，我們只有死路一條。但是廢棄物仍然源源不斷地進入河里我們知道，人口繼續照現在這個速度增長的話，不出幾年，就會發生食物短缺。我們該如何解決這些問題呢?如果我們多吃蔬菜，少吃肉類的話，我們就會有更多的食物。因為同樣大小的土地如果種莊稼的話會比養殖動物多養活五倍多的人。如果我們學會再利用的話，自然資源就能持續更久。如果人們使用現代化的生育控制方法，世界人口就不會增長如此迅猛。最后，如果我們能夠教育人們都意識到這些問題的話，未來我們就會有一個更好、更潔凈的星球。以保護環境為主題的英文演講稿「篇三」Hello:everyone！NowIwanttotalkaboutabeatifulworld！WhenIwasyoung,IalwaysdreamedthatIlivedinabeautifulcountry。Thereweremanyflowersandtreesaroundourcity。Wecounldhearthebirdssingingandseethechildrendancing。Thestreetswereclearandthetheairwasveryfresh！Howniceitwas！Butthatonlywasadreamofmine！HowIwishthatitwouldbecometrue！SoIthinkweshoulddosomethingtoprotectourenvironment。Everyoneshouldmakeacontributiontoprotecttheenvironment。Takingcareofourenvironmentisveryimportant。Whereveryoulive,youcandosomethingaroundyourneighbourhood。Haveyoueverthrownanylitterontotheground?Haveyoueverdrawnpicturesonpublicwalls?Haveyoueverspatinapublicplace?Haveyouevercutdowntrees?Ifyouranswersare"No",itmeansthatyouhavealreadyhelpedprotectourenvironment。Itisourdutytokeepourenvionmentcleanandtidy。Youmightaskyourself,"HaveIeverpickedupsomerubbishandthrownitintoadustbin?HaveIevercollectedwastepaperorbottlesforre