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thisisreallyaseriousproblemweshouldpayattentionto!sothistopicisquitemeanfulling!socollectedthisessayforyou!
thehumanracehasexperiencedaconsistentincreaseinpopulationsincethebeginningofitshistory.famineanddiseasehavedonelittletooffset（抵消）thissteadyincrease.toomanypeopleareaddedannuallytothepopulationoftheworld.soboththecausesofpopulationincreaseandtheresultsofhavingmorepeopleareworthcarefulstudy.
cultureevolutionisthemajorfactorresponsibleforpopulationincrease.earlyinhumandevelopment,peopleinventedtoolstohuntanimals.latertheybuiltshelterstoprotectthemselves.stepbystep,theymadelifeeasier.asaresult,fewerdiedfromnaturalforces,suchasharshclimateanddisease.
inthepast,whenpopulationgrew,therewasunexploredterritorytoinhabit.butnow,almostallthehabitablelandhasbeenexplored.
theworld‘spopulationmayreach8.7billionin2033.itisclearthatworldpopulationisaseriousissuethatneedscarefulattention.humanbeingsareuniquetosolveproblemsthroughculturalevolution.（发展）facingtheworldpopulationexplosioninthenearfuture.wemustcarryoutthebirthcontrolprograminordertosavethemankindandsavetheworld.