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Urban green spaces designed for all generations

The Bottom Line

  • If you live in the city, many urban green spaces, such as parks and trails, are surely built in your neighbourhood.
  • The use and promotion of urban green spaces are promising: better physical health, improved well-being, reduction of stress, reduction in crime and increased perception of security, but also greater biodiversity.
  • Share your observations and recommendations with your elected municipal officials or the managers about urban green spaces can be improved.

Do you enjoy walking, cycling, gardening, yoga or tai chi? Summer is upon us and you are likely eager to stretch out after weeks of confinement due to the COVID-19 pandemic (while respecting preventive measures such as physical distancing). If you live in the city, many urban green spaces, such as parks and trails are available to enjoy in your neighbourhood. With the aging population and knowing that on a global scale, approximately two out of three persons will live in an urban environment by 2050,(1) more and more social and physical infrastructure are designed to meet the needs of different urban populations, including older adults. But what do we know about the capacity of urban green spaces to improve health and well-being of older adults?

What research tells us

A recent systematic review of moderate quality examined 38 studies on the effects of various interventions aimed at creating, maintaining and preserving urban green spaces.(2) These interventions concerned parks, the development and improvement of urban greenways or walking and cycling trails, urban 'greening' and large ecological construction projects for environmental purposes such as green roofs and rain gardens (to manage rain water runoffs).

Although studies have been mainly conducted in high-income countries, such as the United States, Australia and the United Kingdom, the results are promising: better physical health, improved well-being, lower levels of stress, reduction in crime and increased perception of security, but also greater biodiversity.

The evidence is also strong on the importance of turning vacant lots or urban streets in more environmentally friendly spaces: improved well-being, greater biodiversity, but also an increased sense of security and less vandalism.

The development of rain gardens and green roofs, as well as the planting of trees also allow better control of rainwater, and help to address ‘heat islands’ that are created in urban areas and that can be overwhelming for older adults.

Research has also shown that to obtain tangible results, it is not enough to physically adapt those green spaces. They must also be promoted to encourage their use by older adults.

Any initiative is not without consequences, however. It is essential to consult different populations (including older adults) and experts in different fields (urban planning, landscaping, ecology, engineering, health, economics, etc.) to minimize certain undesirable effects. For example, adding lighting in parks increases the feeling of security and promotes more frequentation of the park, but may keep birds away and reduce biodiversity due to light pollution.

Make your voice heard

In the coming days and weeks, as you begin to explore more of the urban green spaces in your area, take note of the possible improvements in order to share your observations and recommendations with your elected municipal officials or the managers of these spaces. Here are a few known measures that can improve urban green spaces that will encourage people to use them more frequently:

- design urban green spaces so that it is safe, accessible and without obstacles

- create walking paths with non-slippery materials and minimize slopes

- install road signs and maps in the paths to allow people to orient themselves and measure the distance travelled

- set up visible signage to indicate the name and entrances to the park

- encourage gardening by setting up a community garden (and set up a clear protocol aimed at ensuring the health and safety of users in times of pandemic)

- keep the premises clean and promote a sense of security by collecting garbage daily, installing more lighting, emergency telephones and security cameras

- promote urban green spaces in neighbouring residences

Your ideas matter. Together we can improve the green spaces in our communities.


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References

  1. United Nations Department of Economic and Social Affairs. 68% of the world population projected to live in urban areas by 2050, 16 May 2018.
  2. Hunter RF, Cleland C, Cleary A, Droomers M, Wheeler BW, Sinnette D, et al. Environmental, health, wellbeing, social and equity effects of urban green space interventions: A meta-narrative evidence synthesis. Environment International. 2019;130:104923.

DISCLAIMER: Many of our Blog Posts were written before the COVID-19 pandemic and thus do not necessarily reflect the latest public health recommendations. While the content of these blogs identify activities that support optimal aging, it is important to defer to the most current public health recommendations such as social distancing and frequent hand washing. Some of the activities suggested within these blogs may need to be modified or avoided altogether to comply with current social distancing recommendations. To view the latest updates from the Public Health Agency of Canada, please visit their website.

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