人类破环了环境(Human destruction of the environment?)

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peoplehavebeenlivingontheearthforthousandsofyears.humanactivityinfluencestheearth.somepeoplebelievethattheearthisbeingharmedbyhumanactivity.othersfeelthathumanactivitymakestheearthabetterplacetolive.inmyopinion,theearthisbeingdamagedbyhumanactivity.therearemanystatementssupportingmyopinion.

humanactivityhasdamagednaturalenvironmentandalmostexaustednaturalresources.modernindustryneedsmoreandmoreresources,includingminerals,fuelsandwater.soweconfrontoftheseriousproblemssuchasthelackoffuelsandwater.ecologicalbalanceisdamagedbecausefactoriesoupymanyplaceswhereanimalsandplantslive.moreandmorebuildingsareconstructedandforestsbeelessandless.ifwecannotrecognizetheseproblemsandsolvethemsoon,wewouldfinallylosetheenvironmentsuitableforourliving.anotherseriousproblemisthegreen-houseeffect.humanactivitydecreasesforestsandincreasestheusageoffuelssothatthegasofcarbondioxideisoutputmoreandmoreandtherearenotenoughplantstoabsorbit.thegreen-houseeffectismoreobviousandmoresensibletheseyears.duetotheeffect,icebergsinthesouthpolarandnorthpolarmeltandthesealevelbeeshigherthanbefore.iamworriedaboutthecitiesnearbytheseaandhopescientistsfindaneffectivemethodtoeliminatethegreen-houseeffect.

althoughwehaveadvancedmachinesandourlifeseemsmorefortablethanbefore,wehavelesschancestoapproachnaturesandlessspacestoact.thecitiesbeebiggerandifwewanttohaveapiicwithourfriends,wehavetodrivealongdistancetofindanaturalplace.infact,thespacesofhumanactivityarebeingdamagedbytheskyscrapersandfactories.fromtheabovestatements,wecanconcludethathumanactivitybringstheearthmanydamages.fortunatelypeoplehaverecognizedthepointandibelievethattheearthwillbeeabetterplacetolivewithourceaselessefforts.