全球气候变化影响下未来城市转型发展的战略选择.ppt

**“低碳生态城市”——全球气候变化影响下未来城市转型发展的战略选择Low-carbonEco-city——hoiceOfFutureCitiesForTransformationalDevelopmentUnderTheInfluenceOfGlobalClimateChange中国城市科学研究会ChineseSocietyforUrbanStudiesLixun\Liuyan*、,*、碳排放与城市化关系Therelationshipbetweenglobalclimatechange,carbonemissionsandurbanization*(1)plexchallengesinthe21stcentury.(2)ethefocusofglobalconcern.(3)形势分析——从科学共识到全球行动Situationanalysis——onsensustoglobalaction.(4)碳排放是影响气候变化的重要因素Carbonemissionsisanimportantfactorthatimpactonclimatechange.(5)碳排放与城市化过程相互交织、相互影响Carbonemissionsandurbanizationintertwineandaffecteachother.*,全球温室气体排放量增加了70%。2006年,中国的二氧化碳排放量达5800百万吨,超过美国8%,代替美国成为世界最大的温室气体排放国。温室气体的排放与工业化、城镇化进程密切相关,与城镇化的模式密切相关。*,%,%。城市也是节能减排的重点Citiesarethefocusofenergy-,~1个百分点左右。中国城乡人口规模与城镇化率*各国能源消耗比较我国人均能耗较少,但人口基数大,增长快,已引起全球关注。China'spercapitaenergyconsumptionisrelativelyless,butlargepopulation,,我国将较长时间成为CO2排放的世界第一国。Astheprocessofindustrializationandthetransferofemissions,Chinawillbethefirstcountryofcarbondioxideemissionsinalongtime.*、*Thetrendofurbantransformationaldevelopmentundertheinfluenceofclimatechange*(1)低碳生态城市正成为城市转型发展的全球共识和时代主题Low-carboneco-ingaglobalconsensusandathemeofthetimesonthedevelopmentofurbantransformation.(2)国内外关于低碳生态城市已有的理论研究及实践进展Thealreadyexistingtheoreticalresearchandpracticewithregardtolow-carboneco-citybothathomeandabroad我们追求什么样的城市?——生态城市概念的提出Whatkindofcitywepursue?——Proposaloftheeco-cityconcep