英语演讲稿：关爱大自然 CaringForNature-OverpopulationWhatisnature?Itseverythingthatexistsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather.Nowmoreandmorepeoplearefocusingonthenature.Itisnodoubtthatthenatureisimportanttoeveryhumanbeing.Nonature,nolife.Becauseofthesuppliesofthenature,wehavelivedhappilyforalongtime.Andwestartedtogaineverythingavailablefromthenature.Andthislastedsolongatime.Today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse.Whatisthreateningthenature?Airandwaterpollution,overharvestingofplantandanimalspecies,overpopulationandsoon.Overpopulationisthebiggestsourceofpollution.Letstakeoverpopulationasanexample.Whatdoesoverpopulationfeellike?Whenwemoveslowlythroughthecityinatazi.Whenweenteracrowdedslumdistrict.Whenthetemperatureishighandwhentheairisthickwithdustandsmoke.Thestreetsarecrowdedwithpeople.Thestreetsseemalivewithpeople.Peopleeating.Peoplewashing.Peopletalking.Peoplesleeping.Peoplevisitingeachother,arguingandscreaming.Peoplerelievingthemselves.Peoplepushingtheirhandsthroughthetaxiwindows,begging.Peopleleadinganimals.People,people,people,people.Aswedriveslowlythroughthecrowd,soundingthetaxishorn,tst,heat,noiseandcookingfiresmadeitlikeascenefromhell!Iadmit,frightening.Tothenature,overpopulationisabigproblem.Morepeople,morepollution.Andthebigpopulationisthreateningthenatureeverysecond.Therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.Thewholeworldfacestheproblemthatrawmaterialsarebeingupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.Peopleinrichcountriesmaketheheaviestdemandsontheworldsresources,itsfood,fuelandland,andcausethemostpollution.AbabybornintheUnitedStateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababyborninIndia.Unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.Formostofthedevelopingcountries,itisagoodideatocontrolthepopulationgrowth.Forexample,Chinahascarriedoutbirthcontrolforyears.Andthisplanhasagreateffectontheworldpopulation.Ifthepopulationcontinuestoincrease,iftheairandwatercontinuetobepolluted,ifwedontdosomethingtoprotectwild-plantandwildlifespecieswillbedeclining.Speciesandbiologicalmunitieshavedifficultyadaptingtochange.Economicopportunitiesandthequalityoflifeoffuturegenerationsarealsoputatrisk.Byprotectingnature,weprotectourselves.Letsunitetogether,handinhandwestandallacrosstheland.Wecanmakethisworldinwhichtolive.Handinhand.Controlthepopulationgrowth.Takegoodcareofournature. CaringForNature-OverpopulationWhatisnature?Itseverythingthatexistsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather.Nowmoreandmorepeoplearefocusingonthenature.Itisnodoubtthatthenatureisimportanttoeveryhumanbeing.Nonature,nolife.Becauseofthesuppliesofthenature,wehavelivedhappilyforalongtime.Andwestartedtogaineverythingavailablefromthenature.Andthislastedsolongatime.Today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse.Whatisthreateningthenature?Airandwaterpollution,overharvestingofplantandanimalspecies,overpopulationandsoon.Overpopulationisthebiggestsourceofpollution.Letstakeoverpopulationasanexample.Whatdoesoverpopulationfeellike?Whenwemoveslowlythroughthecityinatazi.Whenweenteracrowdedslumdistrict.Whenthetemperatureishighandwhentheairisthickwithdustandsmoke.Thestreetsarecrowdedwithpeople.Thestreetsseemalivewithpeople.Peopleeating.Peoplewashing.Peopletalking.Peoplesleeping.Peoplevisitingeachother,arguingandscreaming.Peoplerelievingthemselves.Peoplepushingtheirhandsthroughthetaxiwindows,begging.Peopleleadinganimals.People,people,people,people.Aswedriveslowlythroughthecrowd,soundingthetaxishorn,tst,heat,noiseandcookingfiresmadeitlikeascenefromhell!Iadmit,frightening.Tothenature,overpopulationisabigproblem.Morepeople,morepollution.Andthebigpopulationisthreateningthenatureeverysecond.Therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.Thewholeworldfacestheproblemthatrawmaterialsarebeingupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.Peopleinrichcountriesmaketheheaviestdemandsontheworldsresources,itsfood,fuelandland,andcausethemostpollution.AbabybornintheUnitedStateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababyborninIndia.Unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.Formostofthedevelopingcountries,itisagoodideatocontrolthepopulationgrowth.Forexample,Chinahascarriedoutbirthcontrolforyears.Andthisplanhasagreateffectontheworldpopulation.Ifthepopulationcontinuestoincrease,iftheairandwatercontinuetobepolluted,ifwedontdosomethingtoprotectwild-plantandwildlifespecieswillbedeclining.Speciesandbiologicalmunitieshavedifficultyada