City
A city is a large human settlement. It 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 organisations and businesses, sometimes benefiting different parties in the process, such as improving efficiency of goods and service distribution. 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 of 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.

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 towards city centres for employment, entertainment, and edification. However, in a world of intensifying globalisation, 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, global warming 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.

Other important traits of cities besides population include the capital status and relative continued occupation of the city. For example, country capitals such as Abu Dhabi, Amsterdam, Athens, Beijing, Berlin, Bogotá, Brasília, Buenos Aires, Cairo, Canberra, Copenhagen, Helsinki, Lisbon, London, Madrid, Mexico City, Moscow, New Delhi, Ottawa, Paris, Rome, San José, Santiago, Seoul, Tokyo, Taipei, Ulaanbaatar, Warsaw, Washington, D.C., and Yaoundé reflect the identity and apex of their respective nations. Some historic capitals, such as Kyoto, maintain their reflection of cultural identity even without modern capital status. Religious holy sites offer another example of capital status within a religion, Jerusalem, Mecca, Varanasi, Ayodhya, Haridwar and Prayagraj each hold significance. The cities of Faiyum, Damascus, Delhi and Argos are among those laying claim to the longest continual inhabitation.
Q486972
human settlement
Concept
Q1247867
housing
Concept
Q7590
transportation
Concept
Q949149
sanitation
Concept
Q1951366
utilities
Concept
Q1165944
land use
Concept
Q187939
production of goods
Concept
Q11024
communication
Concept
Q2396633
government organisations
Concept
Q4830453
businesses
Concept
Q15809898
land consumption
UNK
Q2069949
dense
Concept
Q234173
ecological footprint
Concept
Q225467
compact cities
LOC
Q215712
urban heat island
Concept
None
concentrating pollution
UNK
Q161078
urbanization
Concept
Q11188
world population
Concept
Q1907114
metropolitan area
Concept
Q702492
urban area
Concept
Q48442
commuter
Concept
Q1468524
city centre
Concept
Q7181
globalisation
Concept
Q131201
sustainable development
Concept
Q102133023
global warming
UNK
Q2725393
global health
Concept
Q652360
sustainable cities
Concept
Q53581228
Sustainable Development Goal 11
Concept
Q1519
Abu Dhabi
LOC
Q727
Amsterdam
LOC
Q1524
Athens
LOC
Q956
Beijing
LOC
Q64
Berlin
LOC
Q2841
Bogotá
LOC
Q2844
Brasília
LOC
Q1486
Buenos Aires
LOC
Q85
Cairo
LOC
Q3114
Canberra
LOC
Q1748
Copenhagen
LOC
Q1757
Helsinki
LOC
Q597
Lisbon
LOC
Q84
London
LOC
Q2807
Madrid
LOC
Q1489
Mexico City
LOC
Q649
Moscow
LOC
Q987
New Delhi
LOC
Q1930
Ottawa
LOC
Q90
Paris
LOC
Q220
Rome
LOC
Q3070
San José
LOC
Q2887
Santiago
LOC
Q8684
Seoul
LOC
Q1490
Tokyo
LOC
Q1867
Taipei
LOC
Q23430
Ulaanbaatar
LOC
Q270
Warsaw
LOC
Q61
Washington, D.C.
LOC
Q3808
Yaoundé
LOC
Q34600
Kyoto
LOC
Q1218
Jerusalem
LOC
Q5806
Mecca
LOC
Q79980
Varanasi
LOC
Q186040
Ayodhya
LOC
Q273030
Haridwar
LOC
Q162442
Prayagraj
LOC
Q203299
Faiyum
LOC
Q3766
Damascus
LOC
Q1353
Delhi
LOC
Q189901
Argos
LOC
Q1862380
the longest continual inhabitation
UNK
Q515
City
Concept
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11
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