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currently,thereisawidespreadconcernaboutthepreviouslyneglectedconnectionbetweengrowinghumanpopulationanddecreasingwildspecies.asthetwographsobviouslyportrayed,americanpopulationin1980was250timesthanthatin1800,atrendaccompaniedbytheextinctionofnearly70kindsofwildlifeinthepast300years.aclearcorrelationissuggestedthatmankindhasexertedatremendouslynegativeinfluenceonnaturalspecies.
therearemanyfactorsresponsiblefortheaforementionedtendency.firstandforemost,tosatisfythespacedemandfortheboomingpopulation,theonlyavailablesolutionforamericansistotakeoccupationofforestsandgrassland.thatusedtobehabitatofwildanimalsandplants.furthermore,theprocessofindustrializationandurbanizationhasgeneratedseverepollutionthatessentiallydestroysenvironmentandecosystem.
inmypointofview,thedearthofwildlifetodayforecastsanunpromisingfutureforhumanstomorrow.inordertoeliminatespeciesextinction,relevantlawsandregulationsmustbeestablishedandenforcedtomaintainalargeportionofunspoiledareas.effectivemeasuresshouldalsobeappliedtoensurethattheimpactofpollutionberemoved.