此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。关爱大自然中学生英语演讲稿caringfornature--overpopulationwhatisnatureoverpopulationandsoon.overpopulationisthebiggestsourceofpollution.letstakeoverpopulationasanexample.whatdoesoverpopulationfeellike;thetaxishorn,thedust,heat,noiseandcookingfiresmadeitlikeascenefromhell!iadmit,frightening.tothenature,overpopulationisabigproblem.morepeople,morepollution.andthebigpopulationisthreateningthenatureeverysecond.therapidriseinworldpopulationisnotcreatingproblemsonlyforthedevelopingcountries.thewholeworldfacestheproblemthatrawmaterialsarebeingusedupatanincreasingrateandfoodproductioncannotkeepupwiththepopulationincrease.peopleinrichcountriesmaketheheaviestdemandsontheworldsresources,itsfood,fuelandland,andcausethemostpollution.ababybornintheunitedstateswilluseinhislifetime30timesmoreoftheworldsresourcesthanababyborninindia.unlessallthecountriesoftheworldtakeunitedactiontodealwiththepopulationexplosiontherewillbemoreandmorepeoplefightingforashareoflessandlessland,foodandfuel,andthefuturewillbringpoverty,miseryandwartousall.formostofthedevelopingcountries,itisagoodideatocontrolthepopulationgrowth.forexample,chinahascarriedoutbirthcontrolforyears.andthisplanhasaGREateffectontheworldpopulation.ifthepopulationcontinuestoincrease,iftheairandwatercontinuetobepolluted,ifwedont dosomethingtoprotectwild-plantandwildlifespecieswillbe此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。declining.speciesandbiologicalcommunitieshavedifficultyadaptingtochange.economicopportunitiesandthequalityoflifeoffuturegenerationsarealsoputatrisk.byprotectingnature,weprotectourselves.letsunitetogether,handinhandwestandallacrosstheland.wecanmakethisworldinwhichtolive.handinhand.controlthepopulationgrowth.takegoodcareofournature.