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tobeginwith,asthepopulationgrows,peopleconsumemuchmorenaturalresources,whichoftenleadstoexcessivehunting.second,withtheincreaseofhumanactivities,modernpeopletakeupmoreandmorespace.whichhasagreatimpactonotherspecies.finally,theproblemofpollutionbecomesmoreandmoreseriouswiththedevelopmentofmodernindustry.moreandmoreanimalshavetoadaptthemselvestothedecayingenvironmentormovetoatotallydifferentplace,butnotallofthemarefortunateenoughtosurvivethechanges.
solvingthisproblemcallsfor,aboveall,thegovernment’seffortstocontrolpopulationgrowth,todecreaseindustrialpollutionandtoenhancethelawstoforbidwildlifehunting.moreover,commoncitizensshouldbeawareofthisecologicalcrisisandtakeontheresponsibilityofwildlifeprotection.inaword,onlywhenthegovernmentandthecommonpeoplemakejointeffortscanwehopetofindasatisfactorysolutiontothisproblem.