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1、关爱自然-CaringForNature--Overpopulation演讲稿 Whatisnature?It'severythingthatexistsintheworldindependentlyofpeople,suchaspantsandanimals,earthandrocks,andtheweather. Nowmoreandmorepeoplearefocusingonthenature.Itisnodoubtthatthenatureisimportanttoeveryhumanbeing.Nona
2、ture,nolife.Becauseofthesuppliesofthenature,wehavelivedhappilyforalongtime.Andwestartedtogaineverythingavailablefromthenature.Andthislastedsolongatime.Today,peoplehavediscoveredthatthenaturearoundisgettingworseandworse. Whatisthreateningthenature?Airandwaterpol
3、lution,overharvestingofplantandanimalspecies,overpopulationandsoon.Overpopulationisthebiggestsourceofpollution.Let'stakeoverpopulationasanexample. Whatdoesoverpopulationfeellike?Whenwemoveslowlythroughthecityinataxi.Whenweenteracrowdedslumdistrict.Whenthetemper
4、atureishighandwhentheairisthickwithdustandsmoke.Thestreetsarecrowdedwithpeople.Thestreetsseemalivewithpeople.Peopleeating.Peoplewashing.Peopletalking.Peoplesleeping.Peoplevisitingeachother,arguingandscreaming.Peoplerelievingthemselves.Peoplepushingtheirhandsthro
5、ughthetaxiwindows,begging.Peopleleadinganimals.People,people,people,people.Aswedriveslowlythroughthecrowd,soundingthetaxi'shorn,thedust,heat,noiseandcookingfiresmadeitlikeascenefromhell!Iadmit,frightening. Tothenature,overpopulationisabigproblem.Morepeople,more
6、pollution.Andthebigpopulationisthreateningthenatureeverysecond. Therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.Thewholeworldfacestheproblemthatrawmaterialsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopul
7、ationincrease.Peopleinrichcountriesmaketheheaviestdemandsontheworld'sresources,itsfood,fuelandland,andcausethemostpollution.AbabybornintheUnitedStateswilluseinhislifetime30timesmoreoftheworld'sresourcesthanababyborninIndia.Unlessallthecountriesoftheworldtakeunit
8、edactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.
