Theworldweliveinisbecomingmoreandmoreintolerablebecauseofenvironmentaldestruction.Forexample,forestdestructionresultsindecreaseofplantinglandandunpleasantweather.Inaddition,manisfacedwithproblemsofwaterpollutionandairpollution.
Alotofmeasureshavebeentaken.Plantingtreeshelpsimproveandbeautifytheenvironment.Besides,lawsconcerningenvironmentalprotectionhavebeenputintoeffectandachievedgoodresults.
However,theproblemofenvironmentalprotectionremainsfarfrombeingsolved.Ontheonehand,theenvironmentpollutionanddestructionaregettingworseandworseinthemodernworld.Ontheotherhand,thelackofknowledgeabouttheimportanceofprotectingenvironmenthindersthesolvingoftheproblem.Inaword,thereisalongwaytogobeforeweenjoyacleanandcomfortableworld.
Throughouthistorymanhaschangedhisphysicalenvironmentinordertoimprovehiswayoflife.Withthetoolsoftechnologyhehasalteredmanyphysicalfeaturesoftheearth.Hehastransformedwoodlandsandprairiesintofarmsandmadelakesandreserviorsoutofriversforirrigationpurposesorhydroelectricpower.Manhasalsomodifiedthefaceoftheearthbydrainingmarshesandcuttingthroughmountainstobuildroadsandrailways.
However,man'schangestothephysicalenvironmenthavenotalwayshadbeneficialresults.Today,pollutionoftheairandwaterisanincreasingdangertothehealthoftheplanet.Eachdaythousandsoftonsofgasescomeoutoftheexhaustsofmotorvehicles.Smokefromfactoriespollutestheairofindustrializedareasandthesurroundingareasofthecountryside.Thepollutionofwaterisequallyharmful.Thewholeecologicalbalanceoftheseaisbeingchangedandindustrialwasteshavealreadymademanyriverslifeless.
Nowenvironmentalprotectionismorepressingthaneverbefore.Asweknow,massivedestructionofenvironmenthasbroughtaboutnegativeeffectsandevenposesagreatthreattoman'sexistence.Indifferencetotheseproblemswillmeancommittingsuicide.Therefore,effectivemeasuresshouldbetakenandlawspassedtoconserveenvironment.Otherwise,maniscertaintosufferfromtheseriousconsequencescausedbythislackofcareforhislivingsurroundings.
Lastweekend,IwantedtoswimintheriverthatIusuallyweninthechildhood.WhenIwentthere,Iwasshock.Theriverisnolongerlikebefore.Itwasfullofrubbish.Itseemedthattherubbishisfromthevillagersthemselves.Inordertoputtherubbishnearer,theyputallofthemintotheriver.Notonlythewaterisnotcleananymore,theriveralsosmeltbad.Irealtouched.Whyhumanandtheenvironmentcouldn’tliveharmonious?Longtimeago,theycouldgetalongwitheachother.Whynotnow?Peoplehavetostoptheirbehaviortoharmtheenvironment.Otherwise,itwouldcausedestructiontobothsides.
Manmultipliedandcivilisedbychangingtheenvironmenttosuithimselfespeciallybythedevelopmentofagricultureandindustrialization.Ourearliestancestorslivedinarichandcompetitiveworldcloselytiedtoenvironment.Theyknewthesourcesofwateranduseofplantsandanimalsforfoodandshelterpurposes.Buttheyexploitedtheenvironmenttofulfilltheirrequirements,thustheycouldnotcauseexcessivedamagetoenvironmentduetotheirlowpopulation,nomadicwayoflifeandprimitivetechnology.
Throughouttimewehaveexploitednatureanditscreaturesforourownbenefit.Wehavedevelopedahugeandthrivingsociety;andintheprocesswedeforesthugesectionsoflandforlivingandlivestockgrazing.Thisdecreasesoxygenandincreasescarbondioxideintheatmosphere;possiblyaddingtoglobalwarmingthoughthegreenhouseeffect.Moderntransportationconsumelotsofnon-renewablefossilfuelsthatputcarbonmonoxide,sulfurandnitrogenoxidesandotherharmfulparticulatesintotheatmosphere.Thisproducesdangerslikesmogandcancerandcontributestoglobalwarming.
Weonlyhaveoneearthso,wemusttakeprecautionstopreserveourenvironment,suchasusingrecycle,environmentalfriendlybagsinsteadofplasticbags,whichwilltakeyearsforittodisintegrade,saveelectricityandwatertoconserveenergy,usepublictransporttogotoworkorhaveacarpooltoreducetheproductionofharmfulgasesintotheatmosphere.WeallarethecitizenofEarth,soweareresponsibletotakecareofourenvironment.
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