2030年,中国将面临用水危机-论文.pdf

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1、环境保护+2030：China’SComingwithWaterCrisis2030年，中国将面临用水危机ByBrianDumaine余建君选注tiereachPresidentialelection,theNationalIntelligenceCouncil。Iq，theWashington，D．C．，agencythatprovideslong—termstrategicanalysistoAmerica’Sintelligence．community。，releasesareportonsecurityrisks．Itsreport，

2、issuedonDecember10th，2012andcalledGlobalTrends2o3o：AhernativeWoddscoversmanytopicsfromcross．borderconflicttoterorismtoregionaleconomiccollapse．OnethemeinparticularthatstandsoutthisyearisthecomingfoodandwatercrisisinChina．Accordingtothereport，climatechangecoupledwithChina’Sm

3、ovetowardurbanizationandmiddleclasslifestyleswillcreatehugewaterdemandandthereforecropshortagesby2030．Asthereportstates：“Watermaybecomeamoresignificantsourceofcontention。thanenergyormineralsoutto2030．’’Globally，demandforfoodisestimatedtoincreasebymorethan35％by2030andthatmea

4、nstheworldwillneedmorewater．Afterall，agricultureandlivestockaccountfor7O％0fourwateruse．Accordingtoamajorinternationalstudy，globalwaterrequirements——mostlytosustainagricultureandlivestock·-——willriseto40％aboveourcurrentsustainablewatersupplies．Chinaisparticularlyvulnerableto

5、thistrend．Thereportpointsout，forexample，thatcerealproductioninChinafacessignificantchallengesfromenvironmentalstressesrelatingtowaterscarcity—themeltingHimalayanglaciersaren’thelping—soildepletion．andpressuresonlandavailabilityfromurbanization．Chinaisamajorwheatproducerandt

6、hesecond—largestproducerandconsumerofcorn一—＼aftertheUS．onalIntelligenceCouncil美国国家By2030，though，Chinamaynolongerbe情报委员会。intelligencecommunity情报界。self-sufficientinthesecropsandmightbeforcedcontention争论。争辩。toincreaseitsimportspotentiallytriggering，thevulnerable易受伤的。NICconclud

7、es，“asignificantpricerun—uponcereal谷物。internationalmarkets”．Himalayanglacier喜马拉雅冰川。NoneofthisneedstohappenifChina。_——assoildepletion土壤贫化。availability可用性，有效性。wellasotherdevelopingnations—pumuenewlrun-up急剧增长。meth。dst。increasecr0pyields。andpreseⅣe＼cropyield粮食产量。water．TheNICsug

8、geststhreenewtechnologies、⑥⑨00@@厦晌00腩27十环境保护+thatneedtobedeveloped：GMO¨crops，preci