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GREEN BELTS

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From Wikipedia, the free encyclopedia

“Greenbelt” redirects here. For the city, see Greenbelt, Maryland. For specific areas of green belt and other uses, see Green belt (disambiguation).

Green belt in Tehran, Iran
Adelaide Park Lands green belt around the city centre
Green belt at Thompson Park in Monroe Township, Middlesex County, New Jersey, U.S.

A green belt is a policy, and land-use zone designation used in land-use planning to retain areas of largely undeveloped, wild, or agricultural land surrounding or neighboring urban areas. Similar concepts are greenways or green wedges, which have a linear character and may run through an urban area instead of around it. In essence, a green belt is an invisible line designating a border around a certain area, preventing development of the area and allowing wildlife to return and be established.

The more general term in the United States is green space or greenspace, which may be a very small area such as a park.

Purposes

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In those countries which have them, the stated objectives of green belt policy are to:

  • Protect natural or semi-natural environments;
  • Improve air quality within urban areas;[1][2]
  • Ensure that urban dwellers have access to the countryside, with consequent educational and recreational opportunities;
  • Protect the unique character of rural communities that might otherwise be absorbed by expanding suburbs.[3]

The green belt has many benefits for people:

  • Walking, camping, and biking areas close to cities, towns, or neighborhoods.
  • Contiguous habitat network for wild plants, animals and wildlife.[4]
  • Cleaner air and water[1][2]
  • Better land use of areas within the bordering cities.

The effectiveness of green belts differs depending on location and country. They can often be eroded by urban rural fringe uses and sometimes, development ‘jumps’ over the green belt area, resulting in the creation of “satellite towns” which, although separated from the city by the green belt, function more like suburbs than independent communities.

History

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In the 7th century, Muhammad established a green belt around Medina. He did this by prohibiting any further removal of trees in a 12-mile-long strip around the city.[5] In 1580 Elizabeth I of England banned new buildings in a 3-mile wide belt around the City of London in an attempt to stop the spread of plague. However, this was not widely enforced and it was possible to buy dispensations which reduced the effectiveness of the proclamation.[6]

In modern times, the term emerged from continental Europe where broad boulevards were increasingly used to separate new development from the centers of historic towns; most notably the Ringstraße in Vienna. Green belt policy was then pioneered in the United Kingdom confronted with ongoing rural flight. The term itself was first used in relation to the growth of London by Octavia Hill in 1875.[7][8] Various proposals were put forward from 1890 onwards but the first to garner widespread support was put forward by the London Society in its “Development Plan of Greater London” 1919. Alongside the CPRE they lobbied for a continuous belt (of up to two miles wide) to prevent urban sprawl, beyond which new development could occur.

The green belt around the city of York, in England

There are fourteen green belt areas in the UK covering 16,716 km2 or 12.4%[9] of England, and 164 km2 of Scotland; for a detailed discussion of these, see Green belt (UK). Other notable examples are the Ottawa Greenbelt and Golden Horseshoe Greenbelt[10] in Ontario, Canada. Ottawa’s 20,350-hectare (78.6 sq mi) instance is managed by the National Capital Commission (NCC).[11]

The dynamic Adelaide Park Lands, measuring approximately 7.6 km2, surround, unbroken, the city center of Adelaide. On the fringe of the eastern suburbs, an expansive natural green belt in the Adelaide Hills acts as a growth boundary for Adelaide and cools the city in the hottest months.

The concept of “green belt” has evolved in recent years to encompass not only “Greenspace” but also “Greenstructure” which comprises all urban and peri-urban green spaces, an important aspect of sustainable development in the 21st century. The European Commission‘s COST Action C11 (COST – European Cooperation in Science and Technology) is undertaking “Case studies in Greenstructure Planning” involving 15 European countries.

An act of the Swedish parliament from 1994 has declared a series of parks in Stockholm and the adjacent municipality of Solna to its north a “national city park” called Royal National City Park.

Criticism

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House prices

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When established around an economically prosperous city, homes in a green belt may have been motivated by or result in considerable premiums. They may also be more economically resilient as popular among the retired and less attractive for short-term renting of modest homes.[12] Where in the city itself demand exceeds supply in housing, green belt homes compete directly with much city housing wherever such green belt homes are well-connected to the city.[12] Further, they in all cases attract a future-guaranteed premium for protection of their views, recreational space and for the preservation/conservation value itself.[12] Most also benefit from higher rates of urban gardening and farming, particularly when done in a community setting, which has positive effects on nutrition, fitness, self-esteem, and happiness, providing a benefit for both physical and mental health, in all cases easily provided or accessed in a green belt.[13] Government planners also seek to protect the green belt as its local farmers are engaged in peri-urban agriculture which augments carbon sequestration, reduces the urban heat island effect, and provides a habitat for organisms.[14] Peri-urban agriculture may also help recycle urban greywater and other products of wastewater, helping to conserve water and reduce waste.[15]

The housing market contrasts with more uncertainty and economic liberalism inside and immediately outside of the belt:[12] green belt homes have by definition nearby protected landscapes.[12] Local residents in affluent parts of a green belt, as in parts of the city, can be assured of preserving any localized bourgeois status quo present and so assuming the green belt is not from the outset an area of more social housing proportionately than the city, it naturally tends toward greater economic wealth. In a protracted housing shortage, the reduction of the green belt is one of the possible solutions. All such solutions may be resisted however by private landlords who profit from a scarcity of housing, for example by lobbying to restrain new housing across the city. The stated motivation and benefits of the green belt might be well-intentioned (public health, social gardening and agriculture, environment), but inadequately realized relative to other solutions.

Critics include Mark Pennington and the economics-heavy think tanks such as the Institute of Economic Affairs who would see a reduction in many green belts. Such studies focus on the widely inherent limitations of green belts. In most examples, only a small fraction of the population uses the green belt for leisure purposes. The IEA study claims that a green belt is not strongly causally linked to clean air and water. Rather, they view the ultimate result of the decision to green-belt a city as one to prevent housing demand within the zone to be met with supply,[16] thus exacerbating high housing prices and stifling competitive forces in general.

Increasing urban sprawl

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Another area of criticism comes from the fact that, since a green belt does not extend indefinitely outside a city, it spurs the growth of areas much further away from the city core than if it had not existed, thereby actually increasing urban sprawl.[17] Examples commonly cited are the Ottawa suburbs of Kanata and Orleans, both of which are outside the city’s green belt and are currently undergoing explosive growth. This leads to other problems, as residents of these areas have a longer commute to workplaces in the city and worse access to public transport. It also means people have to commute through the green belt, an area not designed to cope with high levels of transportation. Not only is the merit of a green belt subverted, but the green belt may heighten the problem and make the city unsustainable.

There are many examples whereby the actual effect of green belts is to act as a land reserve for future freeways and other highways. Examples include sections of Ontario Highway 407 north of Toronto and the Hunt Club Road and Richmond Road south of Ottawa. Whether they are originally planned as such, or the result of a newer administration taking advantage of land that was left available by its predecessors is debatable.

United Kingdom

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Main article: Green belt (United Kingdom)

Green belts were established in England in 1955 to simply prevent the physical growth of large built-up areas; to prevent neighboring cities and towns from merging.[18] In the UK, green belt around the major conurbations has been criticized as one of the main protectionist bars to building housing, the others being other planning restrictions (Local Plans and restrictive covenants) and developers’ land banking. Local Plans and land banking are to be relaxed for home building in the 2015–2030 period by law and the green belt will be reduced by some local authorities as each local authority must now consider it among the available shortlisted options in drawing development plans to meet higher housing targets. Critics argue that the green belts defeat their stated objective of saving the countryside and open spaces. Such criticism falls short when considering the other, broader benefits such as peri-urban agriculture which includes gardening and carries many benefits, especially to the retired [citation needed]. It also ignores the strategic aims of the Attlee Ministry in 1946, just as in France, of shifting capital away from the capital city (addressing regional disparity) and avoiding intra-urban gridlock.

The restrictions of the Green Belt were particularly in the 1940s–1980s mitigated with planned, government-supported, new towns under the New Towns Act 1946 and New Towns Act 1981. These saw establishment beyond the green belts of new homes, infrastructure, businesses, and other facilities. Without large-scale sustainable development, infill development sees urban green space lost. A chronic housing shortage with inadequate new settlements and/or extension of those outside of the green belt and/or no green belt reduction has seen many brownfield sites, often well-suited to industry and commerce, lost in existing conurbations.[19]

Notable examples

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Australia

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Map of the Adelaide Park Lands

Brazil

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  • The São Paulo City Green Belt Biosphere Reserve – GBBR, an integral part of the Atlantic Forest Biosphere Reserve, was created in 1994 stemming from a people’s movement that collected 150 thousand signatures. It extends throughout 73 municipalities including São Paulo metro and the Santos area. With approximately 17,000 km², it is inhabited by about 23 million people, corresponding to more than 10% of the country’s total population in an area equivalent to 0.2% of the Brazilian territory. There are over 6,000 km² of forests and other Atlantic Forest ecosystems at the Reserve, one of the planet’s most threatened biomes. In addition to a spectacular biological diversity, the GBBR’s ecosystems render valuable ecosystem services.

Canada

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The central core of Ottawa, located in the middle of the map, is surrounded by the Ottawa Greenbelt
  • Ottawa Greenbelt, Canada’s oldest green belt.[20] Created in 1956 to help curb urban sprawl, it surrounds the capital city of Ottawa. It is mostly owned and managed by the National Capital Commission (NCC).
  • Greenbelt (Golden Horseshoe), a 7300 km² band of land that encompasses the rural and agricultural land surrounding the Greater Toronto Area and Niagara Peninsula, and parts of the Bruce Peninsula. Most of the land consists of the Oak Ridges Moraine, an environmentally sensitive land that is a major aquifer for the region, and the Niagara Escarpment, a UNESCO Biosphere Reserve. In an effort to restrain urban sprawl, the Ontario government created the Greenbelt Act in February 2005 to protect this greenspace from all future development, with the exception of limited agricultural use.
  • British Columbia‘s Agricultural Land Reserve protects agricultural land throughout the province from urban development, including its mountainous terrain and areas around Vancouver. This protection is strict and urban development of agricultural land is only allowed if no reasonable alternative exists. However, it does not protect non-agricultural land, particularly hillsides, leading to substantial, and highly visible, leapfrog-type hillside sprawl.
  • Quebec‘s Commission de protection du territoire agricole du Québec keeps territory (the agricultural zones) that is favorable for the practice and the development of agricultural activities. In so doing, the commission safeguards the agricultural territory and helps make its protection a local priority. The agricultural zones cover an area of 63 000 square kilometers in 952 local municipalities.

Dominican Republic

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  • The Greater Santo Domingo has a Greenbelt (Santo Domingo Greenbelt) project surrounding the whole Distrito Nacional. It is composed of the National Botanical Garden, Mirador Del Norte, Mirador del Este, and other parks surrounding the area from its outer municipios. The overall objective of this Greenbelt is for it to protect the water and natural reserves of Santo Domingo, as well as to regulate the expansion of settlements.[4] However, it has largely been affected by uncontrolled urbanization, but other parts remain unaffected.[21][4] With the aid of seventeen soldiers and some support from local municipalities, CONAU has been able to ensure the daily management and protection of the greenbelt.[4]
  • When analyzing this Greenbelt, it is important to bring up the role the United States (US) has played in its creation and maintenance. The American national park model is what influenced the conservation efforts in the Dominican Republic.[22]
  • In the plan and boundary designation of the national park of Del Este, the coastal waters were not included.[22] This meant that the local community could fish and use the waters as they desired, which did not please American non-profit organizations (NGOs) that were working with the national park to plan and carry out the conservation of endangered species and beach clean-ups. However, the lack of inclusion of the local community and economy into the national park’s agenda meant that locals were left to find their own ways of feeding themselves and making money, as the creation of the park destroyed the fishing community that had previously thrived in the area.[22]

Iran

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  • Tehran‘s greenbelt has always been an issue in Iran’s regional politics. Under a decades-long megaproject, the length of the green belt of Tehran increased from 29 square kilometers in 1979 to 530 square kilometers in 2017, and the number of parks in urban and suburban areas also increased from 75 in 1979 to 2,211 in 2017 in total. Such actions and additional afforestation increased the humidity level and chance of precipitation in the city, which cools the summer’s temperatures down by up to 4 °C. The Tehran municipal government announced a goal of lengthening the green belt by 10 square kilometers each year.[23][24]

Europe

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Rennes Green Belt

New Zealand

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Dunedin Town Belt flanks the hills above the central city

In New Zealand, the term Town Belt is most commonly used for an urban green belt.

Thailand

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  • Bangkok‘s Bang Krachao Green Area located inside the curve of Chao Phraya River is considered a green area with authority control over urbanization. Today it is a popular spot for tourism and cycling. The area is located within the border of Bangkok Province and Samut Sakorn Province.

South Korea

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  • In 1965, the Korean Planners Association developed the Capital Region Urban Plan that incorporated a Greenbelt and satellite towns along the development corridor between Seoul and Incheon after being influenced by the Greater London Plan of 1944.[3]
  • The official Greenbelt was first introduced as a “Limited Development Area” in 1971 with the then-new City Planning Law to prevent urban sprawl around Seoul. Green belts are currently designated around Seoul, Busan, and other metropolitan areas around the country.[3]
  • Other objectives include controlling northern parts for national security, eliminating illegal suburban shantytowns around Seoul, controlling land speculation, protecting agricultural land, and for environmental and natural resource protection.[3]
  • The rapid urbanization and economic growth of South Korea after the Korean War expedited the need for land use legislation. However, the boundaries of the greenbelt were hastily drawn and did not include public input or preexisting villages in the area.[26]
  • The greenbelt reduced housing and property prices within the greenbelt causing landowners to lose economic capital that could be gained from developing the land. However, there are many benefits of the greenbelt in terms of nature preservation, better air quality, and the push for increased efficiency of infrastructure and public services in the urban areas.[26]

United Kingdom

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Main article: Green belt (United Kingdom)

Green belts in England, with Metropolitan Green Belt outlined in red

United States

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See also

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References

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  1. ^ Jump up to:a b Yaoqing, Yuan; Chen, Xiangji (May 2008). “Air Anion Density and its Affecting Factors in Greenbelts of Changsha”. 2008 2nd International Conference on Bioinformatics and Biomedical Engineering. IEEE. pp. 3824–3826. doi:10.1109/icbbe.2008.457. ISBN 978-1-4244-1747-6. S2CID 43199426.
  2. ^ Jump up to:a b ZHU, Chunyang; JI, Peng; LI, Shuhua (2017-03-21). “Effects of Urban Green Belts on the Air Temperature, Humidity and Air Quality”. Journal of Environmental Engineering and Landscape Management. 25 (1): 39–55. Bibcode:2017JEELM..25…39Z. doi:10.3846/16486897.2016.1194276. ISSN 1648-6897.
  3. ^ Jump up to:a b c d Bae, C. H. C. (1998). Korea’s greenbelts: impacts and options for change. Pac. Rim. L. & Pol’y J., 7, 479.
  4. ^ Jump up to:a b c d Grupo Terra Dominicana: Cinturón Verde. Terradominicana.blogspot.com (2004-02-23). Retrieved on 2013-12-06.
  5. ^ Iqbal, Munawwar (2005). Islamic Perspectives on Sustainable Development. p. 27. Published jointly by Palgrave Macmillan, University of Bahrain, and Islamic Research and Training Institute.
  6. ^ Halliday, Stephen (2004). Underground to Everywhere. Sutton Publishing Limited. p. 118. ISBN 978-0-7509-3843-3.
  7. ^ “London’s green belt: the forgotten strangler of the capital”. The Guardian. 2012-05-16. Retrieved 2022-12-02.
  8. ^ “How the battle for Hampstead Heath inspired the National Trust”. Ham & High. 12 January 2022. Retrieved 2022-12-02.
  9. ^ “Vita Architecture – Building on the Greenbelt”. vitaarchitecture.com. Retrieved 2024-01-08.
  10. ^ “Friends of the Greenbelt Foundation”.
  11. ^ National Capital Commission. “National Capital Commission :: The National Capital Greenbelt :: History and Culture Archived 2011-07-20 at the Wayback Machine.” National Capital Commission – Commission De La Capitale Nationale (NCC-CCN). 7 December 2007. NCC-CCN. Accessed 28 June 2008, unavailable February 2013.
  12. ^ Jump up to:a b c d e Tim Harford (2005). The Undercover Economist. Little, Brown. ISBN 0345494016.
  13. ^ Sarah Wakefield, Fiona Yeudall, Carolin Taron, Jennifer Reynolds, Ana Skinner, “Growing urban health: Community gardening in South-East Toronto” Health Promotion International, 2007
  14. ^ Hoi-Fei Mok, Virginia G. Williamson, James R. Grove, Kristal Burry, S. Fiona Barker, Andrew J. Hamilton,“Strawberry fields forever? Urban agriculture in developed countries: a review” Agronomy for Sustainable Development, 2013
  15. ^ Hoi-Fei Mok, Virginia G. Williamson, James R. Grove, Kristal Burry, S. Fiona Barker, Andrew J. Hamilton, “Strawberry fields forever? Urban agriculture in developed countries: a review” Agronomy for Sustainable Development, 2013
  16. ^ Mark Pennington (18 March 2002). “Liberating the Land: The Case for Private Land-Use Planning”. Institute of Economic Affairs. Retrieved 6 December 2013.
  17. ^ How Much Open Space is Enough?” St. Paul Pioneer Press (MN) – April 22, 2007 – A1 MAIN
  18. ^ Caves, R. W. (2004). Encyclopedia of the City. Routledge. p. 318.
  19. ^ Political Barriers To Housebuilding In Britain: A Critical Case Study Of Protectionism & Its Industrial-Commercial Effects, Industrial Systems Research/ Google Books, revised electronic edition 2013. Chapter two: “Greenbelt Barriers To Urban Expansion”, Ebook ISBN 9780906321645 [1]
  20. ^ Canada’s first Greenbelt Fixing Boundaries: An International Review Of Greenbelt Boundaries. p. 27. Published jointly by Greg MacDonald, Ryerson University.
  21. ^ “Archived copy” (PDF). Archived from the original (PDF) on 2009-01-06. Retrieved 2009-08-05.
  22. ^ Jump up to:a b c Macleod, Donald V.L. (July 2001). “Parks or people? National parks and the case of Del Este, Dominican Republic”. Progress in Development Studies. 1 (3): 221–235. doi:10.1177/146499340100100303. ISSN 1464-9934. S2CID 153548020.
  23. ^ “مساحت کمربند سبز تهران به بیش از ۳۹ هزار هکتار رسید”. January 2017.
  24. ^ “طرح کمربند سبز تهران باید تکمیل شود”.
  25. ^ Ruth Wilkinson (1989). “The streets of Cambridge” (PDF).
  26. ^ Jump up to:a b Bengston, David N.; Youn, Yeo-Chang (2006). “Urban Containment Policies and the Protection of Natural Areas: The Case of Seoul’s Greenbelt”. Ecology and Society. 11 (1). doi:10.5751/es-01504-110103. hdl:10535/3395. ISSN 1708-3087.
  27. ^ Gray, Nolan (16 May 2019). “America’s First Greenbelt May Be in Jeopardy”. CityLab. Retrieved 16 May 2019.

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