Planning for Health Through the Built Environment
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Transcript of Planning for Health Through the Built Environment
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Planning for health through the built environment: an introduction
Environments,Dec, 2008byBeth Dempster
To begin, consider the conception of planning as the link between knowledge and action
(Friedmann 1987). Or as the process and practice that mediates between past, present and
future (Dempster 1998). These notions indicate the essential nature of planning: to take what
we know and apply it towards improving our future by informing current actions. With respect
to public health, the relevant knowledge has primarily been medical knowledge, resulting in
actions ranging from surgery and antibiotics to fitness classes, food guides and anti-smoking
campaigns. An increasing amount of research, however, suggests that additional types of
knowledge are important and that the typical role of planning--shaping land use actions--also
has a significant influence on health.
Researchers and practitioners are drawing attention to the influence that the physical design of
our neighbourhoods, towns and cities has on public health (e.g. Transportation Research Board
2005, Frumkin 2004, Frank and Engelke 2001). Indicating some measure of significance, several
recent reports have been sponsored by key health and planning organizations such as the
Ontario College of Family Physicians (Abelsohn 2005), the Ontario Chief Medical Officer of
Health (Basrur 2004), the Canadian Institute for Health Information (2006), the Ontario
Professional Planner's Institute (2007), the Ontario Healthy Communities Coalition (Tucs and
Dempster 2007) and Smart Growth BC (Frank et al. 2006a).
This research shows that neighbourhoods designed for cars rather than people are strongly
correlated with less walking and more negative health impacts such as obesity and heart disease
(e.g. Abelsohn et al 2005, Fisher 2005, Frank et al. 2006b). Such neighbourhoods also increase
exposure to air pollutants, which subsequently leads to negative impacts on health (e.g.Smargiassi 2006, Finkelstein et al. 2005, Buckeridge et al. 2002). Aspects of the built
environment have also been shown to correlate with a variety of other health concerns,
including food choices and healthy eating (Apparicio et al. 2007, Smoyer-Tomic et al. 2006,
Popkin et al. 2005), traffic-related injuries (Litman, this volume, CIHI 2006), mental health (e.g.
Guite et al. 2006, Evans 2003) and coping with disability (Clarke and George 2005, Blackman
2003).
Agreeably, care must be taken in presuming causal connections between aspects of the built
environment and the correlated health impacts (CIHI 2006, Frank et al. 2006, Frank and Engelke
2003). Even if one could draw such connections, the synergistic complexity of influences andimpacts would make it difficult to specify which particular influences had an impact on which
particular health consequences. Nonetheless, researchers again and again note that there is a
sufficient amount of quality evidence to call for action (Frank et al. 2006, CIHI 2006,
Abelsohnetal. 2005):
The impact of the built environment on health is an emerging field
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of study and more rigorous research is needed, especially in Canada.
Despite this, the results of current studies clearly indicate that
serious public health problems will continue to escalate unless
decisive and immediate action is taken to control urban sprawl and
preserve sufficient greenspace, improve air quality, and protect
water sources (Abelsohn 2005: 5).
Planners, then, have a new task: to integrate knowledge about health impacts into the
development and regulation of actions that affect the design, construction and re-construction
of our built environments. Yet is this entirely new? Many point out that this 'new' linkage
between planning, health and the built environment is actually a return to the origins of
professional planning (Johnson and Marko, this issue, Corburn 2006). There is, perhaps, an irony
here, which provides a cautionary note: some of those original planning practices--separation of
land uses, for example--have led to the current design of cities and neighbourhoods that now
raise health concerns (Johnson and Marko, this issue.)
Along these lines, there is also research that explores the planning side of the health-built
environment connection. This includes a variety of policy analyses, one investigating the impacts
of municipal policy as a facilitator/ inhibitor of physical activity (Librett 2003), another looking at
the history of the National Capital Commission in Ottawa and its impact on health-related
design (Dube 2000) and another considering the capacity of water management policy to ensure
appropriate care of the water supply system in the Region of Waterloo, Ontario (Ivey et al.
2006). Other papers consider the role of planning as a more general process that can contributeto development of a healthier community (Corburn 2006, Hirschhorn 2004, Jackson et al. 2002).
Such work emphasizes that many types of knowledge are relevant: The breadth and complexity
of the issues point to the need to draw upon different types of knowledge--and to apply it
through land use planning--if we want to positively impact public health in our communities.
The papers in this volume provide a few examples of the relevant knowledges and the
subsequent actions. They are diverse, yet they provide a mere taste of what needs to be
considered. Land use planning--for which built environment is the domain--has a key role to play.
The papers in this theme issue touch on what some of these roles might be.
Before briefly describing each of the papers, I draw attention to my use of the term 'built
environment'. While this has often been used to refer primarily to building structures--and,
more specifically, the insides of them--recent use of the term encompasses a broader definition.
The built environment is part of the overall ecosystem of our earth.
It includes the land-use planning and policies that impact our
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communities in urban, rural, and suburban areas. It encompasses all
buildings, spaces, and products that are created or modified by
people. It includes our homes, schools, workplaces, parks/recreation
areas, business areas and roads. It extends overhead in the form of
electric transmission lines, underground in the form of waste
disposal sites and subway trains, and across the country in the
form of highways (Health Canada 1997).
It is this broadly defined built environment--and its impact on health and the subsequent
potential for planning to address concerns--that is the focus of this issue.
The papers
As something of a review paper, the work of Johnson and Marko paints a richer picture of the
context for the rest of the papers than the foregoing comments. They begin by noting the
common roots of public health and land use planning in the poor health conditions of 19th
century industrial cities. In describing many of the relationships between health concerns and
land use planning that have been found, they identify many of the topics discussed in other
papers. Consistent with my emphasis on the need for different knowledges to be drawn into
planning, they end the paper by emphasizing the need for public health professionals to be
involved in the planning process. This means there is a need to ensure health professionals have
the capacity and opportunity to contribute to decision-making on land use and the built
environment.
The next paper covers one of the better known and better documented influences of the built
environment on health: the impact of transportation systems. Providing a broad view of these
issues, Litman draws from numerous sources and studies to illustrate many of the impacts,
influences and challenges. He also draws attention to some of the ways in which current
approaches to researching, reviewing and deciding on transportation lack full accounting of the
challenges presented. Using the increasingly popular notion of "smart growth", he briefly
describes some of the planning approaches and directions that might assist in developing safer
and healthier communities.
The "obesity epidemic" among children in Canada and the US (Basrur 2004, Anderson and
Butcher 2006, Davison and Lawson 2006) is a key health concern that has gained recent
attention. Taking this as a starting point, McAllister raises questions around the presence of and
potential for child-friendly planning. Framing her arguments around four themes (safety,
greenspace, access and involvement), she discusses key aspects of the challenge. Then, using
the City of Waterloo, Ontario as an example, she considers the child-friendliness of planning
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policy and processes that are currently in place and considers planning approaches that might
make cities more child-friendly. The hope is that such an approach would also lead to
improvements in the built environment that will positively affect the health of children.
Given the range of knowledges and approaches that are relevant to planning for health through
the built environment, many efforts have taken a multi-sectoral approach. Drawing from theirrecent work investigating best and promising practices of multi-sectoral collaboratives,
Dempster and Tucs discuss some of the lessons relevant to applying such a planning approach.
While some of the lessons would be relevant to any collaborative endeavour, their examples are
from collaboratives aiming to improve public health through changes to the built environment.
Finally, Alexander takes a more speculative and reflective approach in his paper, raising
questions about the built environment and its influence on mental and spiritual health. The
paper weaves arguments for and against physical determinism, never quite settling on one or
the other. While basic concerns around health are considered, the paper also broadens the
discussion to raise bigger questions:
... research suggests that people can only adopt new roles and
behaviours to the extent that spaces or settings are created that
facilitate these new roles and behaviours. If we want to nurture the
emergence of homo sustinens--the sustainable human ... then we
need to create the spaces for him or her to flourish.
As McAllister notes in her paper, a broad definition of health--including the complete range of
physical, mental and social aspects of well-being--needs to be considered. Recognizing the
influential role of the built environment emphasizes the multiplicity of factors that impinge on
this well-being. Much of the discussion takes a preventative stance--encouraging the application
of land use planning to counter the negative health affects that are being identified. By opening
the discussion up to these broader questions, Alexander points to the potential for moving
beyond prevention toward more creative and proactive possibilities. Further, the reference to
homo sustinens opens the mind to considerations beyond even the broad definition of health by
including the health of the world we live in. This seems a fitting way to close a set of papers
drawing on current knowledge to discuss actions aimed at improving the future.
Closing comments
Through my involvement in a literature review on the linkages between health and the built
environment in a Canadian context (Tucs and Dempster 2007), I have been struck by the range
and diversity of research relevant to this topic--a range and diversity that necessarily points to
the multiplicity of knowledges that need to be integrated into planning and the subsequent
multiplicity of actions that will be required to positively impact public health. While there are a
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few crossovers and commonalities among the papers in this issue, they are perhaps more
notable for the differences in the knowledge they draw upon and the actions they promote. Yet
these papers represent only a small portion of the discussions relevant to this topic and
primarily in a broad and general way
Given the nature of the profession, good planners learn to deal with many, diverse issues--andthe trade-offs inherent in such multiplicity. Planning for health through the built environment
presents a 'new' challenge for planners--and for the people from the diverse disciplines and
professions that must be drawn in to facilitate healthier outcomes from planning. The papers in
this issue offer a small taste of both challenges and possibilities.