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Mexico city case study.

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Introduction

Mexico City Case Study Mexico City Background Mexico City has a population of 9,800,000 (1995 Estimate) and has a Total area of 1,480 square kilometres or 571 square miles with an elevation of 2,239 metres/7,347 feet. Introduction Now one of the largest urban centres in the world, Mexico City was built on top of the ruins of the once-powerful Aztec city Tenochtitl�n, which was conquered by Spain's Hern�n Cort�s in 1521. The Aztecs chose this site on the island of Tlateloco in Lake Texcoco for its defensive position. Spain's new city, which would remain the proud capital of New Spain for 300 years, was laid out in a typical grid plan around a plaza. Like its predecessor, Mexico City thrived despite a harsh environment. Located in a basin and surrounded by mountains on three sides, the city has long endured flooding, devastating earthquakes, and a shortage of fresh water. The cosmopolitan capital city dominates the economic, political, and cultural life of the nation, attracting tourists and immigrants alike. Its population is expected to reach 30 million by the year 2005, further aggravating the already severe housing, transport, and air-pollution problems. ...read more.

Middle

sprawl 100000 Even 3% 38 50 I do not think Barrios areas are slum areas, the barrios are well established and undergone massive improvement and most of the homes have toilet facilities and most of the occupants are both employed and home owners, this in my opinion means the Barrios are not slum areas but an area which has improved from what was once a slum area. Employment In Mexico City In 1950 Mexico City had 37.4% of its employed working force in the informal sector and in 1950 35.8% in the informal sector, this decrease does not seem as significant, until it is thought that the population has increased by around 15 million. So this decrease in % is still an increase in figure with more people working in informal jobs than in 1950, but the figure means that the growth of informal jobs is a lot less than the growth of formal jobs in Mexico City. In the 1980s the Unemployment Rate in Mexico City varied between 4.0% and 5.8% which for a population of around 10000000, is a high number of people, around 1/2 a million people were unemployed. ...read more.

Conclusion

Mexico city has major problems with removing its waste products, wastewater from the city is carried through an open sewage canal called the Grand Canal and by a deep transmission system known as the Emisor Central. The sewage in the Grand Canal is raw, and is used as fertilizers in the states of Mexico and Hidalgo. Over 90% of hazardous waste is released into the Grand Canal, and the water supply is being contaminated at source. As a result serious human health problems arise. Solid waste disposal is also a problem with over 8000 tonnes of solid waste were produced every day in 1992. Only 25% of this was legally collected and deposited in landfill sites at the edge of the city. Air pollution strategies have been introduced to try and combat the * Lowering sculpture content of oil and fuel * Retrofitting buses and vans to burn natural gas * Limiting carbon monoxide emissions from vehicles * Increasing the use of unleaded fuel and equipping cars with catalytic converters * Restricting commuter traffic, even having no driving days. * A ban on new "potential polluting" industries In spite of the introduced strategies the air pollution intensified and a new program of more efficient air pollution control technology and a program of reforestation. ...read more.

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