Urban planning notes

Urban planning notes - Urban!PowerPoint3 20:46 Issue:WhatisUrban Wirth o Size(large,density,andheterogeneity( areas FromWikipedia: structures

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Urban! PowerPoint 3  20:46 ‘Issue: What is Urban’? Most influential work specifying the meaning of “urban” was written by Louis  Wirth  o Size (large), density, and heterogeneity (has people migrating from a lot of  areas)  From Wikipedia: an area with an increased density of human-created  structures in comparison to the areas surrounding it. Urban areas maybe  cities, towns or conurbations  The “suburb” we’re in right now is an urban place (people who live outside of  city limits, but work in city)  Urban Dwellers Population in Millions of people               1950          1980             2010 World      731           1736            3475 Mexico     12             45                88 USA         101           170              257  Mexico City  Didn’t hit 30 million people because don’t have to go to the city to get a job  Very dense, few parks  Locked in a closed ecosystem  o No way to clean air  o Has a lot of smog (2 packs of cigs a day)  o A lot of factories and 3 million cars  Expanded public transportation 
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Running out of water (Spanish drained lakes to build city)  70% of drinking water is pumped from underground  City is sinking (1-3 inches a year)  Treated water is used to fill dried out lake bed  From the Brookings Text  Growth and Outward Expansion o Healthy levels of fertility and immigration in the US Immigration  o NY, LA, Chicago, San Francisco lost hundreds of thousands of domestic  migrants  International Migration Saves Cities?  Contribute to vitality of many cities  Contribute to social security for elderly  Istanbul  Hagya Sophia- largest domed structure till Roman Basilica at St. Petersburg  was built  1.5 to 15 million people 
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This note was uploaded on 02/14/2011 for the course URSP 200 taught by Professor Dr.hanna during the Fall '10 term at Maryland.

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Urban planning notes - Urban!PowerPoint3 20:46 Issue:WhatisUrban Wirth o Size(large,density,andheterogeneity( areas FromWikipedia: structures

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