Portal:Cities
The Cities Portal
A city is a human settlement of a notable size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. In a more narrow sense, a city can be defined as a permanent and densely settled place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, utilities, land use, production of goods, and communication. Their density facilitates interaction between people, government organizations, and businesses, sometimes benefiting different parties in the process, such as improving the efficiency of goods and service distribution.
Historically, city dwellers have been a small proportion of humanity overall, but following two centuries of unprecedented and rapid urbanization, more than half of the world population now lives in cities, which has had profound consequences for global sustainability. Present-day cities usually form the core of larger metropolitan areas and urban areas—creating numerous commuters traveling toward city centres for employment, entertainment, and education. However, in a world of intensifying globalization, all cities are to varying degrees also connected globally beyond these regions. This increased influence means that cities also have significant influences on global issues, such as sustainable development, climate change, and global health. Because of these major influences on global issues, the international community has prioritized investment in sustainable cities through Sustainable Development Goal 11. Due to the efficiency of transportation and the smaller land consumption, dense cities hold the potential to have a smaller ecological footprint per inhabitant than more sparsely populated areas. Therefore, compact cities are often referred to as a crucial element in fighting climate change. However, this concentration can also have significant negative consequences, such as forming urban heat islands, concentrating pollution, and stressing water supplies and other resources. (Full article...)
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Karachi (/kəˈrɑːtʃi/; Urdu: کراچی; Sindhi: ڪراچي; IPA: [kəˈraːtʃi] ⓘ) is the capital city of the Pakistani province of Sindh. It is the largest city in Pakistan and the 12th largest in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast and formerly served as the capital of Pakistan. Ranked as a beta-global city, it is Pakistan's premier industrial and financial centre, with an estimated GDP of over $200 billion (PPP) . Karachi is a metropolitan city and is considered Pakistan's most cosmopolitan city, and among the country's most linguistically, ethnically-, and religiously-diverse regions, as well as one of the country's most progressive and socially liberal cities.
The region has been inhabited for millennia, but the city was formally founded as the fortified village of Kolachi as recently as 1729. The settlement greatly increased in importance with the arrival of the East India Company in the mid-19th century. British administrators embarked on substantial projects to transform the city into a major seaport, and connect it with the extensive railway network of the Indian subcontinent. At the time of Pakistan's independence in 1947, the city was the largest in Sindh with an estimated population of 400,000 people. Afterwards, the city experienced a dramatic shift in population and demography with the arrival of hundreds of thousands of Muslim immigrants (Muhajirs) from India, coupled with a substantial exodus of its Hindu residents. The city experienced rapid economic growth following Pakistan's independence, attracting migrants from throughout the country and other regions in South Asia. According to the 2023 Census of Pakistan, Karachi's total population was 20.3 million. Karachi is one of the world's fastest-growing cities, and has significant communities representing almost every ethnic group in Pakistan. Karachi holds more than two million Bengali immigrants, a million Afghan refugees, and up to 400,000 Rohingyas from Myanmar. (Full article...)Did you know -
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Meridian is the eighth most populous city in the U.S. state of Mississippi, with a population of 35,052 at the 2020 census. It is the county seat of Lauderdale County and the principal city of the Meridian, Mississippi Micropolitan Statistical Area. Along major highways, the city is 93 mi (150 km) east of Jackson; 154 mi (248 km) southwest of Birmingham, Alabama; 202 mi (325 km) northeast of New Orleans, Louisiana; and 231 mi (372 km) southeast of Memphis, Tennessee.
Established in 1860, at the junction of the Mobile and Ohio Railroad and Southern Railway of Mississippi, Meridian built an economy based on the railways and goods transported on them, and it became a strategic trading center. During the Civil War, General William Tecumseh Sherman burned much of the city to the ground in the Battle of Meridian (February 1864). Rebuilt after the war, the city entered a "Golden Age". It became the largest city in Mississippi between 1890 and 1930, and a leading center for manufacturing in the South, with 44 trains arriving and departing daily. Union Station, built in 1906, is now a multi-modal center, with access to Amtrak and Greyhound Buses averaging 242,360 passengers per year. Although the economy slowed with the decline of the railroad industry, the city has diversified, with healthcare, military, and manufacturing employing the most people in 2010. The population within the city limits, according to 2008 census estimates, is 38,232, but a population of 232,900 in a 45-mile (72 km) radius and 526,500 in a 65-mile (105 km) radius, of which 104,600 and 234,200 people respectively are in the labor force, feeds the economy of the city. (Full article...)Selected article -
Urban sprawl (also known as suburban sprawl or urban encroachment) is defined as "the spreading of urban developments (such as houses, dense multi family apartments, office buildings and shopping centers) on undeveloped land near a more or less densely populated city". Urban sprawl has been described as the unrestricted growth in many urban areas of housing, commercial development, and roads over large expanses of land, with little concern for very dense urban planning. Sometimes the urban areas described as the most "sprawling" are the most densely populated. In addition to describing a special form of urbanization, the term also relates to the social and environmental consequences associated with this development. In modern times some suburban areas described as "sprawl" have less detached housing and higher density than the nearby core city. Medieval suburbs suffered from the loss of protection of city walls, before the advent of industrial warfare. Modern disadvantages and costs include increased travel time, transport costs, pollution, and destruction of the countryside. The revenue for building and maintaining urban infrastructure in these areas are gained mostly through property and sales taxes. Most jobs in the US are now located in suburbs generating much of the revenue, although a lack of growth will require higher tax rates.
In Europe, the term peri-urbanisation is often used to denote similar dynamics and phenomena, but the term urban sprawl is currently being used by the European Environment Agency. There is widespread disagreement about what constitutes sprawl and how to quantify it. For example, some commentators measure sprawl by residential density, using the average number of residential units per acre in a given area. Others associate it with decentralization (spread of population without a well-defined centre), discontinuity (leapfrogging development, as defined below), segregation of uses, and so forth. (Full article...)General images -
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Extent and major sites of the Indus Valley civilization of ancient India (from History of cities) -
Cain founding the city of Enoch (from History of cities) -
This woodcut shows Nuremberg as a prototype of a flourishing and independent city in the 15th century. (from History of cities) -
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Gdańsk in the 17th century (from History of cities) -
Aerial photograph shows the remains of the Sumerian city Ur, near Nasiriyah, Iraq. (from History of cities) -
A poster from the EPA entitled "Soak Up the Rain with Green Infrastructure." The poster depicts various green infrastructure that can be effective in preventing floods. (from Urban geography) -
The Round city of Baghdad, the capital of Iraq (from History of cities) -
Palmanova, Italy, constructed in 1593 according to the defensive ideal of the star fort, today retains its distinctive geometry. (from History of cities) -
A map showing the world energy consumption per capita based on 2013 data from the World Bank. (from Urban geography) -
View of the Agora of Athens with the temple of Hephaestus to the left and the Stoa of Attalos to the right (from History of cities) -
Constantinople, the largest and wealthiest city in Europe from the 9th through the 12th century (from History of cities) -
New York City, one of the largest urban areas in the world (from Urban geography) -
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The Avenue of the Dead in Teotihuacan originates with the Pyramid of the Moon, forming the basis of the city grid. (from History of cities) -
The city of Arbil in the Kurdistan Region of Iraq has a radial urban structure centred on an ancient fortress (from Urban structure) -
Excavated foundations of Çatalhöyük, Turkey. An Anatolian town dated to 7000 BCE. (from History of cities) -
Daily life of people from the Song period at the capital, Bianjing, today's Kaifeng (from History of cities) -
Mohenjo-daro, a World Heritage Site that was part of the Indus Valley civilization (from History of cities)
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