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L06EnvirProblemA0304

L06EnvirProblemA0304 - GES 1310 Comprehending the City Dr...

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GES 1310 Comprehending the City Dr. Lucy Huang Shaw College Department of Geography and Resource Management The Chinese University of Hong Kong Urban Environmental problems and Sustainability Three Phases of Cities Phase one – Early Urbanization (3000B.C. – 1800 A.D) Daily energy consumption per capita: 26,000 kcals. Phase two – Urban Industrialism (1800 A.D. – 1950 A.D.) Daily energy consumption per capita: 50,000 kcals Phase three – Global Interdependence (1950 A.D. – present) Daily energy consumption per capita: 300,000 kcals . Economic Growth and Urban Environment Dialectic relationships As cities become wealthier, they consume more resources. As cities become richer, more financial, technological, and human resources are available to solve certain problems Why Bother Urban Environmental Problems Two compelling reasons The rapid pace of urbanization is directly linked to a number of key local, regional, and international environmental problems. These environmental problems are important and have serious economic, health, and ecological consequences. Two Sets of Environment Issues Brown problems faced by the current generation and their children they are primarily local and urban in nature Green problems
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