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Climate Risk and Resilient City: Challenge and Awareness in China PAN Jihua, ZHENG Yan, XIE Xinlu, ZHOU Yamin, WANG Jianwu, ZHU Shouxian, et al. December 2 nd 2011, Durban, South Africa Institute of Urban & Environmental Studies (IUE), Chinese Academy of Social Sciences (CASS) NSFC Project (No.70933005)
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Contents Climate risks and challenges for adaptation in China Challenges for building resilient cities Make city more resilient and low carbon: Integrate adaptation and mitigation into urban strategy
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Climate Risks in China & Challenges for adaptation
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Economic Losses of GDP in total Weather related disasters in China (1990-2010 ) Economic Losses of GDP in different weather disasters in China (2003-2010)
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Climate Vulnerability Mapping for China (2005-2010)
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因 子 Component 指 标 Indicators Climate Sensitivity (0.36)) Population Vulnerability (0.22) Social Devt (0.18) Environmental Disasters (0.12) Ecological Vulnerability (0.12) Climate Disasters losses in GDP(% ) (2006-2010) 0.7220.1030.284-0.101-0.129 Affected Population in Total (%) 0.9240.087-0.0260.264-0.058 Pysicians 0.6230.5470.086-0.012-0.204 GDP per capita 0.7910.4580.195-0.1-0.16 Climate Sensitivity Sectors in total ( % ) 0.6670.439-0.041-0.23-0.149 Adaptation inputs ( % ) 0.8330.2030.279-0.2560.081 Family burden 0.1810.9350.1320.049-0.06 Vulnerable population rate 0.4720.8010.267-0.013-0.029 Illiteracy ( % ) 0.1560.1750.8190.082-0.032 Income Disparity 0.4940.4480.548-0.072-0.016 Life Expectation 0.6020.2760.641-0.277-0.077 Environmental disasters -0.1130.040.0760.890.106 Water resources pressure -0.1910.006-0.128-0.0260.929 Forest coverage (%) 0.002-0.320.4840.1420.647
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Preliminary findings: The top 3 most Vulnerable provinces were Gansu, Ningxia and Guizhou, which is consistent with the climate capacity discrepancy. The West regions are more vulnerable than the coastal and East regions in China, since the former ones were more sensitive to climate hazards and socially vulnerable. CHALLENGES: Geographical unbalance in climate risks and vulnerability Increasing wealth and more exposed physical capitals: esp in coastal developed areas Aging society with more exposure population
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Challenges for building resilient cities
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Fast Urbanization in China since 1980s Shanghai, Tianjin, Guangzhou, Ningbo, Hongkong, …ranking among top 20 coastal cities with high climate risk by 2050 (OECD,2008 )
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Vulnerable mega-cities in China
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Vulnerability measurement for mega- cities in China Chongqing ranked in the top one vulnerable city among the 4 municipalities, cause its more vulnerable population rate, higher climate sensitivity and environmental disasters.
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Challenges for building resilient cities Weakness & Strengths of China’s Mega-cities Financial capacity Technical capacity Engineering infrastructures Institutional capacity Ecological health Mainstreaming Adaptation and DRR into Urban planning Challenges: More aging and wealthier cities in future Disparity in economic and social vulnerability Consolidating Urbanization with large poverty population
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Make city more resilient and low carbon
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46.6% 6.22 亿人 URBANIZATION IN CHINA 12th FYP: 47.5% 51.5% , annual avg rate 0.8%= 12 million urban population
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1790-2050 USA urbanization 1920-1960 年 年均提高 0.47 个百分点 China facing more challenges than that of developed countries
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Make city more resilient and low carbon: Integrate adaptation and mitigation into city strategy Adaptation Reduce the vulnerability: lifeline of city Low carbon adaptation: urban green lands, green power, environmental infrastructures, etc. Synergy between mitigation and adaptation Planning Urban planning: transport, residential settlement Industry planning: resources dependant sectors Spatial planning: population and land using Technology Green building, smart grid, etc Adaptive technologies Management and governance
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Thanks for comments~ http://www.rcsd.org.cn http://www.rcsd.org.cn
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