Built environment

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Part of the built environment: suburban tract housing in Colorado Springs, Colorado Suburbia by David Shankbone.jpg
Part of the built environment: suburban tract housing in Colorado Springs, Colorado

The term built environment refers to human-made conditions and is often used in architecture, landscape architecture, urban planning, public health, sociology, and anthropology, among others. [1] [2] [3] [4] [5] [6] These curated spaces provide the setting for human activity and were created to fulfill human desires and needs. [7] The term can refer to a plethora of components including the traditionally associated buildings, cities, public infrastructure, transportation, open space, as well as more conceptual components like farmlands, dammed rivers, wildlife management, and even domesticated animals. [7]

Contents

High-rise structures and major highway infrastructure as an example of the built environment in Dubai, UAE Dubai Highrise.jpg
High-rise structures and major highway infrastructure as an example of the built environment in Dubai, UAE

The built environment is made up of physical features. However, when studied, the built environment often highlights the connection between physical space and social consequences. [4] It impacts the environment [8] and how society physically maneuvers and functions, as well as less tangible aspects of society such as socioeconomic inequity and health. Various aspects of the built environment contribute to scholarship on housing and segregation, physical activity, food access, climate change, and environmental racism. [9] [10] [11]

Features

There are multiple different components that make up the built environment. Below are some prominent examples of what makes up the urban fabric:

Buildings

Buildings are used for a multitude of purposes: residential, commercial, community, institutional, and governmental. Building interiors are often designed to mediate external factors and provide space to conduct activities, whether that is to sleep, eat, work, etc. [12] The structure of the building helps define the space around it, giving form to how individuals move through the space around the building.

Public infrastructure

Public infrastructure covers a variety of things like roads, highways, pedestrian circulation, public transportation, and parks.

Roads and highways are an important feature of the built environment that enable vehicles to access a wide range of urban and non urban spaces. They are often compared to veins within a cardiovascular system in that they circulate people and materials throughout a city similar to how veins distribute energy and materials to the cells. [13] Pedestrian circulation is vital for the walkability of a city and general access on a human scale. The quality of sidewalks and walkways have an impact on safety and accessibility for those using these spaces. Public transportation is essential in urban areas, particularly in cities and areas that have a diverse population and income range.

Agriculture

Agricultural production accounts for roughly 52% of U.S. land use. [14] Not only does population growth cause an expansion of cities, it also necessitates more agriculture to accommodate the demand for food for an expanding population.

History

"Built environment" as a term was coined in the 1980s, becoming widespread in the 1990s [12] and places the concept in direct contrast to the supposedly "unbuilt" environment. [15] The term describes a wide range of fields that form an interdisciplinary concept that has been accepted as an idea since classical antiquity [16] and potentially before. Through the study of anthropology, the progression of the built environment into what it is today has been able to be examined. When people are able to travel outside of urban centers and areas where the built environment is already prominent, it pushes the boundaries of said built environment into new areas. While there are other factors that influence the built environment, like advancements in architecture or agriculture, transportation allowed for the spread and expansion of the built environment.

Pre–industrial Revolution

Agriculture, the cultivation of soil to grow crops and animals to provide food as well as products, was first developed about 12,000 years ago. [17] This switch, also called the Neolithic Revolution, [18] was the beginning of favoring permanent settlements and altering the land to grow crops and farm animals. This can be thought of as the start of the built environment, the first attempt to make permanent changes to the surrounding environment for human needs. The first appearance of cities was around 7500 BCE, dotted along where land was fertile and good for agricultural use. [19] In these early communities, a priority was to ensure basic needs were being met. The built environment, while not as extensive as it is today, was beginning to be cultivated with the implementation of buildings, paths, farm land, domestication of animals and plants, etc. Over the next several thousand years, these smaller cities and villages grew into larger ones where trade, culture, education, and economics were driving factors. [19] As cities began to grow, they needed to accommodate more people, as well as shifted from focusing on meeting survival needs to prioritizing comfort and desires – there are still many individuals today who do not have their basic needs met and this idea of a shift is within the framework of the evolution of society. [12] This shift caused the built aspect of these cities to grow and expand to meet the growing population needs.

Industrial Revolution

1914 proposed street drawing Transactions of conference held March 9 to 13, 1914, at Liberty buildings, Liverpool (1914) (14782417514).jpg
1914 proposed street drawing

The pinnacle of city growth was during the Industrial Revolution due to the demand for jobs created by the rise in factories. [20] Cities rapidly grew from the 1880s to the early 1900s within the United States. This demand led individuals to move from farms to cities [20] which resulted in the need to expand city infrastructure and created a boom in population size. [21] This rapid growth in population in cities led to issues of noise, sanitation, health problems, traffic jams, pollution, compact living quarters, etc. [22] In response to these issues, mass transit, trolleys, cable cars, and subways, were built and prioritized in an effort to improve the quality of the built environment. An example of this during the industrial revolution was the City Beautiful movement. The City Beautiful movement emerged in the 1890s as a result of the disorder and unhealthy living conditions within industrial cities. [23] The movement promoted improved circulation, civic centers, better sanitation, and public spaces. With these improvements, the goal was to improve the quality of life for those living in them, as well as make them more profitable. [23] The City Beautiful movement, while declined in popularity over the years, provided a range of urban reforms. The movement highlighted city planning, civic education, public transportation, and municipal housekeeping. [23]

Post Industrial Revolution to present

The invention of cars, as well as train usage, became more accessible to the general masses due to the advancements in the steel, chemicals, and fuel generated production. In the 1920s, cars became more accessible to the general public due to Henry Ford's advances in the assembly line production. [24] With this new burst of personal transportation, new infrastructure was built to accommodate. Freeways were first built in 1956 to attempt to eliminate unsafe roads, traffic jams, and insufficient routes. [25] The creation of freeways and interstate transportation systems opened up the possibility and ease of transportation outside a person's city. This allowed ease of travel not previously found and changed the fabric of the built environment. New streets were being built within cities to accommodate cars as they became increasingly popular, railway lines were being built to connect areas not previously connected, for both public transportation as well as goods transportation. With these changes, the scope of a city began to expand outside its borders. The widespread use of cars and public transportation allowed for the implementation of suburbs; the working individual was able to commute long distances to work everyday. [26] Suburbs blurred the line of city "borders", the day-to-day life that may have originally been relegated to a pedestrian radius now encompassed a wide range of distances due to the use of cars and public transportation. This increased accessibility allowed for the continued expansion of the built environment.

Currently, the built environment is typically used to describe the interdisciplinary field that encompasses the design, construction, management, and use of human-made physical influence as an interrelated whole. The concept also includes the relationship of these elements of the built environment with human activities over time—rather than a particular element in isolation or at a single moment in time, these aspects act together via the multiplier effect. The field today draws upon areas such as economics, law, public policy, sociology, anthropology, public health, management, geography, design, engineering, technology, and environmental sustainability to create a large umbrella that is the built environment. [15]

There are some in modern academia who look at the built environment as all-encompassing, that there is no natural environment left. This argument comes from the idea that the built environment not only refers to that which is built, arranged, or curated, but also to what is managed, controlled, or allowed to continue. What is referred to as "nature" today can be seen as only a commodity that is placed into an environment that is constructed to fulfill the human will and desire. [27] This commodity allows humans to enjoy the view and experience of nature without it inconveniencing their day-to-day life. [27] It can be argued that the forests and wild-life parks that are held on a pedestal and are seemingly natural are in reality curated and allowed to exist for the enjoyment of the human experience. The planet has been irrevocably changed by human interaction. Wildlife has been hunted, harvested, brought to the brink of extinction, modified to fit human needs, the list goes on. This argument juxtaposes the argument that the built environment is only what is built, that the forests, oceans, wildlife, and other aspects of nature are their own entity.

Impact

The term built environment encompasses a broad range of categories, all of which have potential impacts. When looking at these potential impacts, the environment, as well as people, are heavily affected.

Health

The built environment can heavily impact the public's health. Historically, unsanitary conditions and overcrowding within cities and urban environments have led to infectious diseases and other health threats. [28] Dating back to Georges-Eugene Haussmann's comprehensive plans for urban Paris in the 1850s, concern for lack of air-flow and sanitary living conditions has inspired many strong city planning efforts. During the 19th century in particular, the connection between the built environment and public health became more apparent as life expectancy decreased and diseases, as well as epidemics, increased. [28] Today, the built environment can expose individuals to pollutants or toxins that cause chronic diseases like asthma, diabetes, and coronary vascular disease, along with many others. [28] There is evidence to suggest that chronic disease can be reduced through healthy behaviors like a proper active lifestyle, good nutrition, and reduced exposure to toxins and pollutants. [28] Yet, the built environment is not always designed to facilitate those healthy behaviors. Many urban environments, in particular suburbs, are automobile reliant, making it difficult or unreasonable to walk or bike to places. This condition not only adds to pollution, but can also make it hard to maintain a proper active lifestyle. Public health research has expanded the list of concerns associated with the built environment to include healthy food access, community gardens, mental health, [29] physical health, [30] [10] [31] walkability, and cycling mobility. [32] Designing areas of cities with good public health is linked to creating opportunities for physical activity, community involvement, and equal opportunity within the built environment. Urban forms that encourage physical activity and provide adequate public resources for involvement and upward mobility are proven to have far healthier populations than those that discourage such uses of the built environment. [33]

Social

Housing and segregation

Features in the built environment present physical barriers which constitute the boundaries between neighborhoods. [34] Roads and railways, for instance, play a large role in how people can feasibly navigate their environment. [35] This can result in the isolation of certain communities from various resources and from each other. [35] The placement of roads, highways, and sidewalks also determines what access people have to jobs and childcare close to home, especially in areas where most people do not own vehicles. Walkability directly influences community, so the way a neighborhood is built affects the outcomes and opportunities of the community that lives there. [36] Even less physically imposing features, such as architectural design, can distinguish the boundaries between communities and decrease movement across neighborhood lines. [37]

The segregation of communities is significant because the qualities of any given space directly impact the wellbeing of the people who live and work there. [4] George Galster and Patrick Sharkey refer to this variation in geographic context as "spatial opportunity structure", and claim that the built environment influences socioeconomic outcomes and general welfare. [4] For instance, the history of redlining and housing segregation means that there is less green space in many Black and Hispanic neighborhoods. Access to parks and green space has been proven to be good for mental health which puts these communities at a disadvantage. [9] The historical segregation has contributed to environmental injustice, as these neighborhoods suffer from hotter summers since urban asphalt absorbs more heat than trees and grass. [38] The effects of spatial segregation initiatives in the built environment, such as redlining in the 1930s and 1940s, are long lasting. The inability to feasibly move from forcibly economically depressed areas into more prosperous ones creates fiscal disadvantages that are passed down generationally. [39] With proper public education access tied to the economic prosperity of a neighborhood, many formerly redlined areas continue to lack educational opportunities for residents and, thus, job and higher-income opportunities are limited. [40]

Environmental

The built environment has a multitude of impacts on the planet, some of the most prominent effects are greenhouse gas emissions and Urban Heat Island Effect. [41]

The built environment expands along with factors like population and consumption which directly impact the output of greenhouse gases. As cities and urban areas grow, the need for transportation and structures grows as well. In 2006, transportation accounted for 28% of total greenhouse gas emissions in the U.S. [42] Building's design, location, orientation, and construction process heavily influence greenhouse gas emissions. [42] Commercial, industrial, and residential buildings account for roughly 43% of U.S. CO2 emissions in energy usage. [42] In 2005, agricultural land use accounted for 10–12% of total human-caused greenhouse gas emissions worldwide. [42]

Urban heat islands are pockets of higher temperature areas, typically within cities, that effect the environment, as well as quality of life. [43] [44] Urban Heat Islands are caused by reduction of natural landscape in favor of urban materials like asphalt, concrete, brick, etc. [43] This change from natural landscape to urban materials is the epitome of the built environment and its expansion.

See also

Related Research Articles

<span class="mw-page-title-main">Urban heat island</span> Situation where cities are warmer than surrounding areas

Urban areas usually experience the urban heat island (UHI) effect, that is, they are significantly warmer than surrounding rural areas. The temperature difference is usually larger at night than during the day, and is most apparent when winds are weak, under block conditions, noticeably during the summer and winter. The main cause of the UHI effect is from the modification of land surfaces while waste heat generated by energy usage is a secondary contributor. Urban areas occupy about 0.5% of the Earth's land surface but host more than half of the world's population. As a population center grows, it tends to expand its area and increase its average temperature. The term heat island is also used; the term can be used to refer to any area that is relatively hotter than the surrounding, but generally refers to human-disturbed areas.

<span class="mw-page-title-main">Urban design</span> Designing and shaping of human settlements

Urban design is an approach to the design of buildings and the spaces between them that focuses on specific design processes and outcomes. In addition to designing and shaping the physical features of towns, cities, and regional spaces, urban design considers 'bigger picture' issues of economic, social and environmental value and social design. The scope of a project can range from a local street or public space to an entire city and surrounding areas. Urban designers connect the fields of architecture, landscape architecture and urban planning to better organize physical space and community environments.

<span class="mw-page-title-main">Redlining</span> Systemic denial of services to some areas

Redlining is a discriminatory practice in which financial services are withheld from neighborhoods that have significant numbers of racial and ethnic minorities. Redlining has been most prominent in the United States, and has mostly been directed against African-Americans. The most common examples involve denial of credit and insurance, denial of healthcare, and the development of food deserts in minority neighborhoods.

<span class="mw-page-title-main">Urban geography</span> Subdiscipline of geography concentrating on urban areas

Urban geography is the subdiscipline of geography that derives from a study of cities and urban processes. Urban geographers and urbanists examine various aspects of urban life and the built environment. Scholars, activists, and the public have participated in, studied, and critiqued flows of economic and natural resources, human and non-human bodies, patterns of development and infrastructure, political and institutional activities, governance, decay and renewal, and notions of socio-spatial inclusions, exclusions, and everyday life. Urban geography includes different other fields in geography such as the physical, social, and economic aspects of urban geography. The physical geography of urban environments is essential to understand why a town is placed in a specific area, and how the conditions in the environment play an important role with regards to whether or not the city successfully develops. Social geography examines societal and cultural values, diversity, and other conditions that relate to people in the cities. Economic geography is important to examine the economic and job flow within the urban population. These various aspects involved in studying urban geography are necessary to better understand the layout and planning involved in the development of urban environments worldwide.

<span class="mw-page-title-main">Urban sprawl</span> Expansion of auto-oriented, low-density development in suburbs

Urban sprawl is defined as "the spreading of urban developments 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.

Geographical segregation exists whenever the proportions of population rates of two or more populations are not homogeneous throughout a defined space. Populations can be considered any plant or animal species, human genders, followers of a certain religion, people of different nationalities, ethnic groups, etc.

<span class="mw-page-title-main">Living street</span> Traffic calming in spaces shared between road users

A living street is a street designed with the interests of pedestrians and cyclists in mind by providing enriching and experiential spaces. Living streets also act as social spaces, allowing children to play and encouraging social interactions on a human scale, safely and legally. Living streets consider all pedestrians granting equal access to elders and those who are disabled. These roads are still available for use by motor vehicles; however, their design aims to reduce both the speed and dominance of motorized transport. The reduction of motor vehicle dominance creates more opportunities for public transportation.

<span class="mw-page-title-main">Sustainable city</span> City designed with consideration for social, economic, environmental impact

A sustainable city, eco-city, or green city is a city designed with consideration for social, economic, environmental impact, and resilient habitat for existing populations, without compromising the ability of future generations to experience the same. The UN Sustainable Development Goal 11 defines sustainable cities as those that are dedicated to achieving green sustainability, social sustainability and economic sustainability. They are committed to doing so by enabling opportunities for all through a design focused on inclusivity as well as maintaining a sustainable economic growth. The focus will also includes minimizing required inputs of energy, water, and food, and drastically reducing waste, output of heat, air pollution – CO2, methane, and water pollution. Richard Register, a visual artist, first coined the term ecocity in his 1987 book Ecocity Berkeley: Building Cities for a Healthy Future, where he offers innovative city planning solutions that would work anywhere. Other leading figures who envisioned sustainable cities are architect Paul F Downton, who later founded the company Ecopolis Pty Ltd, as well as authors Timothy Beatley and Steffen Lehmann, who have written extensively on the subject. The field of industrial ecology is sometimes used in planning these cities.

<span class="mw-page-title-main">Food desert</span> Area that has limited access to affordable and nutritious food

A food desert is an area that has limited access to food that is plentiful, affordable, or nutritious. In contrast, an area with greater access to supermarkets and vegetable shops with fresh foods may be called a food oasis. The designation considers the type and the quality of food available to the population, in addition to the accessibility of the food through the size and the proximity of the food stores.

<span class="mw-page-title-main">Green infrastructure</span> Sustainable and resilient infrastructure

Green infrastructure or blue-green infrastructure refers to a network that provides the “ingredients” for solving urban and climatic challenges by building with nature. The main components of this approach include stormwater management, climate adaptation, the reduction of heat stress, increasing biodiversity, food production, better air quality, sustainable energy production, clean water, and healthy soils, as well as more anthropocentric functions, such as increased quality of life through recreation and the provision of shade and shelter in and around towns and cities. Green infrastructure also serves to provide an ecological framework for social, economic, and environmental health of the surroundings. More recently scholars and activists have also called for green infrastructure that promotes social inclusion and equity rather than reinforcing pre-existing structures of unequal access to nature-based services.

<span class="mw-page-title-main">Walkability</span> How accessible a space is to walking

In urban planning, walkability is the accessibility of amenities by foot. It is based on the idea that urban spaces should be more than just transport corridors designed for maximum vehicle throughput. Instead, it should be relatively complete livable spaces that serve a variety of uses, users, and transportation modes and reduce the need for cars for travel.

Residential segregation is the physical separation of two or more groups into different neighborhoods—a form of segregation that "sorts population groups into various neighborhood contexts and shapes the living environment at the neighborhood level". While it has traditionally been associated with racial segregation, it generally refers to the separation of populations based on some criteria.

In the United States, housing segregation is the practice of denying African Americans and other minority groups equal access to housing through the process of misinformation, denial of realty and financing services, and racial steering. Housing policy in the United States has influenced housing segregation trends throughout history. Key legislation include the National Housing Act of 1934, the G.I. Bill, and the Fair Housing Act. Factors such as socioeconomic status, spatial assimilation, and immigration contribute to perpetuating housing segregation. The effects of housing segregation include relocation, unequal living standards, and poverty. However, there have been initiatives to combat housing segregation, such as the Section 8 housing program.

<span class="mw-page-title-main">Urban green space</span> Green area planned in an urban location

In land-use planning, urban green space is open-space areas reserved for parks and other "green spaces", including plant life, water features - also referred to as blue spaces - and other kinds of natural environment. Most urban open spaces are green spaces, but occasionally include other kinds of open areas. The landscape of urban open spaces can range from playing fields to highly maintained environments to relatively natural landscapes.

<span class="mw-page-title-main">Active mobility</span> Unmotorised transport powered by activity

Active mobility, soft mobility, active travel, active transport or active transportation is the transport of people or goods, through non-motorized means, based around human physical activity. The best-known forms of active mobility are walking and cycling, though other modes include running, rowing, skateboarding, kick scooters and roller skates. Due to its prevalence, cycling is sometimes considered separately from the other forms of active mobility.

<span class="mw-page-title-main">Healthy community design</span> Urban planning to facilitate healthy lifestyles

Healthy community design is planning and designing communities that make it easier for people to live healthy lives. Healthy community design offers important benefits:

<span class="mw-page-title-main">Active design</span> Building and planning promoting physical activity

Active design is a set of building and planning principles that promote physical activity. Active design in a building, landscape or city design integrates physical activity into the occupants' everyday routines, such as walking to the store or making a photocopy. Active design involves urban planners, architects, transportation engineers, public health professionals, community leaders and other professionals in building places that encourage physical activity as an integral part of life. While not an inherent part of active design, most designers employing "active design" are also concerned with the productive life of their buildings and their building's ecological footprint.

Environmental, ecological or green gentrification is a process in which cleaning up pollution or providing green amenities increases local property values and attracts wealthier residents to a previously polluted or disenfranchised neighbourhood. Green amenities include green spaces, parks, green roofs, gardens and green and energy efficient building materials. These initiatives can heal many environmental ills from industrialization and beautify urban landscapes. Additionally, greening is imperative for reaching a sustainable future. However, if accompanied by gentrification, these initiatives can have an ambiguous social impact. For example, if the low income households are displaced or forced to pay higher housing costs. First coined by Sieg et al. (2004), environmental gentrification is a relatively new concept, although it can be considered as a new hybrid of the older and wider topics of gentrification and environmental justice. Social implications of greening projects specifically with regards to housing affordability and displacement of vulnerable citizens. Greening in cities can be both healthy and just.

Environmental racism is a form of institutional racism, in which people of colour bear a disproportionate burden of environmental harms, such as pollution from hazardous waste disposal and the effects of natural disasters. Environmental racism exposes Native Americans, African Americans, Asian Americans, Pacific Islanders, and Hispanic populations to physical health hazards and may negatively impact mental health. It creates disparities in many different spheres of life, such as transportation, housing, and economic opportunity.

Urban forest inequity, also known as shade inequity or tree canopy inequity, is the inequitable distribution of trees, with their associated benefits, across metropolitan areas. This phenomenon has a number of follow-on effects, including but not limited to measurable impacts on faunal biodiversity and the urban heat island effect. Urban heat inequity occurs when intra-urban heat islands, with their associated negative physical and emotional health consequences, are more common and more intense in lower-income communities.

References

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  33. ↑ Frank, Lawrence D.; Engelke, Peter O. (2001-11-01). "The Built Environment and Human Activity Patterns: Exploring the Impacts of Urban Form on Public Health". Journal of Planning Literature. 16 (2): 202–218. doi:10.1177/08854120122093339. ISSN   0885-4122. S2CID   153978150.
  34. ↑ Kramer, Rory (2017). "Defensible Spaces in Philadelphia: Exploring Neighborhood Boundaries Through Spatial Analysis". RSF: The Russell Sage Foundation Journal of the Social Sciences. 3 (2): 81–101. doi: 10.7758/rsf.2017.3.2.04 . ISSN   2377-8253. JSTOR   10.7758/rsf.2017.3.2.04. S2CID   149167954.
  35. 1 2 Roberto, Elizabeth and Jackelyn Hwang. 2017. "Barriers to Integration: Physical Boundaries and the Spatial Structure of Residential Segregation." Working paper, Cornell University, Ithaca, NY.
  36. ↑ Pando, Patricia (2011). "In the Nickel, Houston's Fifth Ward" (PDF). Houston History Magazine.
  37. ↑ Small, Mario Luis (2004). Villa Victoria. University of Chicago Press. doi:10.7208/chicago/9780226762937.001.0001. ISBN   978-0-226-76292-0.
  38. ↑ Plumer, Brad; Popovich, Nadja; Palmer, Brian (2020-08-24). "How Decades of Racist Housing Policy Left Neighborhoods Sweltering". The New York Times. ISSN   0362-4331 . Retrieved 2021-03-29.
  39. ↑ Aaronson, Daniel; Hartley, Daniel; Mazumder, Bhashkar (November 2021). "The Effects of the 1930s HOLC "Redlining" Maps". American Economic Journal: Economic Policy. 13 (4): 355–392. doi:10.1257/pol.20190414. hdl: 10419/200568 . ISSN   1945-7731. S2CID   204505153.
  40. ↑ Case, Anne (2020). Deaths of Despair and the Future of Capitalism. Princeton, NJ: The Princeton University Press. ISBN   9780691190785.
  41. ↑ US EPA, OW (2015-10-01). "Reduce Urban Heat Island Effect". www.epa.gov. Retrieved 2024-01-24.
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  43. 1 2 US EPA, OAR (2014-06-17). "Learn About Heat Islands". www.epa.gov. Retrieved 2022-12-16.
  44. ↑ US EPA, OAR (2014-06-17). "Heat Island Impacts". www.epa.gov. Retrieved 2022-12-16.

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