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landdesertification,Thesizeofdesertisincreasingcontinuously.Oncontrast,theforestsandarablelandkeepdecreasing.,Ifthissituationkeepsgoing,onedaywewonthaveenougharablelandtoplowandourfuturegenerationsdonothaveenoughfoodstuffstosupporttherequirementoftheirbodies.Peoplearegoannadie.,Moreover,someotherenvironmentissueswhichwerecausedbydesertificationperplexedpeoplesuchassandstorm,droughtandarablelanddegradationandproductivitydecline.,Problem:,Alloftheseproblemswereinconveniencetopeoplesdailylife.,Therefore,wehavetochangeourenvironmentconditionandprotectit.,Causes:,Usually,desertificationiscausedbyclimatechangeorbydestructiveuseofthelandandthegradualtransformationofhabitablelandintodesert.,fivemainreasonsonpeoplesactions,1.Excessivereclamation2.Overgrazing3.Excessivemining4.Unreasonableirrigation5.Industrialbuilding,somereasonsonclimate:,1.Scarcerainfall,dryclimate2.Windydaysandmoreconcentrated3.Loosesoil4.Soilerosion,Aroundtheworld,everyyear6,000,000hectaresoflanddesertificationhappen.AccordingtotheChinaStateForestryAdministrationsannouncementinJune17,2006,Chinadesertificationlandreached1,739,700squarekilometers,accountingformorethan18%oflandarea.Itisobviousthatthesituationofdesertificationisgrim.,Solution:,Controldesertificationisoneoffundamentalnationalpolicies.,DesertificationandtheEnvironmentalProtectionLawForestLaw“GrasslandLaw,SoilandWaterConservationLawcurrentlyinthedevelopmentofDesertificationLaw,alsodevelopedwiththesupportofaseriesoflawsandregulations.,somesolutionsforreducingthedesertification,1.Plantingtrees2.Grassspecies3.OasisDevelopment4.Reducingecologicaldamage5.Buildingartificialecological,THANKS,
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