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1、英语演讲稿我们要爱大自然whatisnature?itseverythingthatexistsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather.nowmoreandmorepeoplearefocusingonthenature.itisnodoubtthatthenatureisimportanttoeveryhumanbeing.nonature,nolife.becauseofthesuppliesofthenature,wehavelivedhappil
2、yforalongtime.andwestartedtogaineverythingavailablefromthenature.andthislastedsolongatime.today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse.whatisthreateningthenature?airandwaterpollution,overharvestingofplantandanimalspecies,overpopulationandsoon.overpopulationisthebigges
3、tsourceofpollution.letstakeoverpopulationasanexample.whatdoesoverpopulationfeellike?whenwemoveslowlythroughthecityinatazi.whenweenteracrowdedslumdistrict.whenthetemperatureishighandwhentheairisthickwithdustandsmoke.thestreetsarecrowdedwithpeople.thestreetsseemalivewithpeople.peopleeating.pe
4、oplewashing.peopletalking.peoplesleeping.peoplevisitingeachother,arguingandscreaming.peoplerelievingthemselves.peoplepushingtheirhandsthroughthetaxiwindows,begging.peopleleadinganimals.people,people,people,people.aswedriveslowlythroughthecrowd,soundingthetaxishorn,thedust,heat,noiseandcooki
5、ngfiresmadeitlikeascenefromhell!iadmit,frightening.tothenature,overpopulationisabigproblem.morepeople,morepollution.andthebigpopulationisthreateningthenatureeverysecond.therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.thewholeworldfacestheproblemthatrawmateria
6、lsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.peopleinrichcountriesmaketheheaviestdemandsontheworldsresources,itsfood,fuelandland,andcausethemostpollution.ababybornintheunitedstateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababybornini
7、ndia.unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.formostofthedevelopingcountries,itisagoodideat
