简介：Nowenvironmentisanimportanttopicinacademicfield.Manyresearchesfocusonthenegativeoutcomesofnaturewhicharebeingcontinuallycreatedbyhumanandmuchattentionhasbeenpaidtohowtheenvironmentisprotectedthroughintegratedresearch,movementandpolicy.Butfewstudiesareconcentratedonpopulationandenvironmentandaretofindouttheinterconnectivityandunderlyingmechanismthathaveaneffectonpeople'spreferringadditionalchildrenandperceptiontoenvironment.Manyresearchersclaimthatpopulationgrowthisagreatproblemforenvironmentbuttheydonotprovidetheindepthintegratedknowledgeandmechanismthatinfluencefertilitytrendandenvironmentalproblems.Itisverycrucialtodeveloppracticalandconcreteinitiativestoconfirmatransitiontoreducepopulationgrowthandredirecttheperceptiononpopulationandenvironment.

简介：ThecoreissueforChinatransitiondevelopmentinthenext30yearsistoshiftfromthequantitygrowthmodeltothequalityimprovementmodel.Thepaperintroducestheresearchprogressinthreekeyareasofsustainabledevelopmentstudiessincethe1990s.Itispointedoutthatthereisawell-beingthresh-oldatwhichthemarginutilityofeconomicgrowthforhumanwell-beingwilldecline,thatthereisanecologicallimitbeyondwhichmoreeconomicgrowthintermsofphysicalscalewillbeimpossible,andthatthecreationofhumanwell-beingisrelatednotonlytotheamountbutalsotothestructureandefficiencyofpublicexpenditurefromgovernment.Afteranin-depthdiscussiononfacts,originsandpolicyimplicationsofeachissue,sometheoryandpolicythinkingwithlong-lastingsignificanceareraisedforthetransitiondevelopmentofChina.

简介：Chinaachievedmajorprogressinlow-carbondevelopmentduringtheperiodofthe11thFiveYearPlan(2006-2010).Theincreasingtrendofenergyintensityandcarbonintensityoftheeconomyasseenpriorto2005wasreversedtoasharpdecreasingtrend,leadingtoa19%decreaseinenergyintensityand21%decreaseincarbonintensityinfiveyears.Theenhancedenergyefficiency,mostlyduetoefficiencyimprovementinpowerandmanufacturingsector,isthemajordriverofthedecreaseincarbonintensityoftheeconomy.Thedevelopmentofrenewableenergy,despiteitsimpressivegrowthrate,playedaminorrolebecauseofitssmallshareintheenergymixofthecountry.Energycon-sumptionandenergy-relatedcarbonemissionsperunitofareainbuildingcontinuedtogrowatalesserrate,which,combinedwiththefastgrowthoftotalbuildingvolume,ledtofastgrowthintotalenergyconsumptionandcarbonemissionsinthesector.Similartrendisobservedinthetransportationsectorwhosetotalenergyuseandcarbonemissionscontinuedtogrowfastdespiteslightimprovementinenergyefficiency.Agriculturalenergyuseexperiencedaslightchangeandforestrymadeamajorcontributiontocarbonsinks.Policyandinstitutionalinnovationshelpedbuildasolidsystemofrulesforlow-carbondevelopment.Improvingcosteffectivenessofthesystemremainsamajorchallengeforthenextfiveyearplanperiod.

简介：InChina,farmlandpropertyrightscharacterizedbythehousehold-responsibilitysystem(HRS)havebeenimprovedsincethereformandopening-up.Therightsofuse,transferandgainbecomemorestable,authorizedandcomplete.Thispaperfirstlyanalyzestheimpactonfarmlandproductivity,whichcomesfromtheimprovementoffarmlandpropertyrights.Then,aneconomet-ricmodelisbuilttotesttheaboveanalysis.ItconcludesthatchangesofpropertyrightswillaffectfarmlandperformanceinChina.Intheend,somepolicyimplicationsareexploredforfur-therreforms.