How do we save ageing Australians from the heat? Greening our cities is a good start



File 20190227 150698 rrobo4.jpg?ixlib=rb 1.1
A shade tree makes a big difference to the comfort of this couple.
Nancie Lee/Shutterstock

Claudia Baldwin, University of the Sunshine Coast; Jason Byrne, University of Tasmania, and Tony Matthews, Griffith University

Heatwaves have killed more Australians than road accidents, fires, floods and all other natural disasters combined. Although recent research shows extreme cold is a worry in some parts of Australia, our hottest summer on record points to more heat-related deaths to come. The record heatwaves have highlighted the damaging effects of heat stress. Understandably, it’s becoming a major public health challenge.




Read more:
2018-19 was Australia’s hottest summer on record, with a warm autumn likely too


The risk of extreme heat events and the adverse impacts on older people has been extensively discussed in research. Remarkably, very little attention has been paid to the role of urban greenery in reducing heat stress for seniors.

Older people are particularly at risk of heat stress. Pre-existing medical conditions and limited mobility increase their vulnerability. Deaths of older people increase during extreme heat events.

The physical features of urban areas shape the capacity of older adults to engage in many activities when it’s hot. These include vegetation volume and coverage, thermal design, and the extent of shading in public areas and walkways. Increasing urban greenery may offer a way to improve older people’s comfort and social experience.




Read more:
Building cool cities for a hot future


Ageing adds urgency to greening

It is expected 20% of the global population will be older than 60 by 2050. The figure for Australia is even higher, at 23%. This means that by 2050 around one in four Australians will be more vulnerable to extreme heat.

Older people are more vulnerable to heat stress.
PorporLing/Shutterstock

Climate change may make the problem worse by fuelling even more extreme heat events.

Planning our urban centres to meet the needs of a rapidly ageing population is a matter of urgency. Urban greening to reduce their vulnerability to heat stress should be central to this agenda. It can also improve people’s quality of life, reduce social isolation and loneliness, and ease the burden on health systems.

An important task is matching the design of communities with the needs of an ageing population. Where older adults live and the quality of their local areas strongly influence their lived experiences. Yet recent research found the experiences of seniors were often not accounted for in research on neighbourhood design.




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What about aged care?

People face choices about where they live as they age. The common choices are to “age in place” or to move into aged care.

Ageing in place includes living in one’s own home or co-habiting with relatives or friends. Around 90% of Australian seniors choose this option, with the remainder opting for aged-care facilities.

If one in ten Australian seniors live in aged-care facilities, it is clear these should be designed to minimise heat stress. This isn’t just good for residents; it may also benefit operators by lowering health-care and electricity costs.

While these facilities are purpose-built for older people, many in Australia were built well over a decade ago, when heat stress was not such a large concern. Many more facilities are being built now and will be into the future. Yet it is uncertain whether they are being actively designed to reduce the impacts of heat.




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Australian cities are lagging behind in greening up their buildings


What has our research found?

We recently conducted a focus group to investigate this issue. Participants were senior managers from four large corporate providers of aged care in Australia. We investigated if and how providers try to minimise heat stress through design. We also sought to understand the rationales used to support these design approaches.

Several participants reported on refurbishments that they expect will have cooling effects. Cited design approaches included green roofs and walls, as well as sensory gardens. Other expected benefits included reducing anxiety and improving the mental health of residents.

The fact that single design interventions could produce multiple benefits improved the potential for corporate buy-in. Participants expected that increasing green space and green cover would give their facilities a competitive advantage by attracting more clients and providing a better working environment for staff.

Participants also reported on challenges of including greening in their projects. For example, the benefits of trees were weighed against concerns about roots disrupting footpaths and becoming trip hazards. Species selection was another concern, with fears that inappropriate plants could die and undermine support for greening programs.

Our research suggests that more can be done to make cities hospitable for older people, especially during extreme heat. Urban greening is a start. Encouraging aged-care providers to adopt green infrastructure will have benefits. But we should also consider reforms to planning systems and urban design to better protect older people who choose to age in place.




Read more:
If planners understand it’s cool to green cities, what’s stopping them?


The Conversation


Claudia Baldwin, Associate Professor, Urban Design and Town Planning, Sustainability Research Centre, University of the Sunshine Coast; Jason Byrne, Professor of Human Geography and Planning, University of Tasmania, and Tony Matthews, Senior Lecturer in Urban and Environmental Planning, Griffith University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Myall Lakes National Park


Kevin's Daily Photo, Video, Quote or Link

It was my first official day of annual leave from work today and of course it had to start with a good sleep-in, which I might add I’m going to try and avoid doing for the entire period of my annual leave – just the first couple of days. I have been extremely tired, so a few sleep-ins will be helpful – for my health and well being you know. I’m sure you know what I’m talking about and agree with me entirely. I take your silence as tacit agreement. Thank you for that.

Myall Lakes National Park

Once I was up I thought I should do something – so the day wouldn’t be viewed as an entire waste. So a drive to Bulahdelah was on the cards via the Myall Lakes National Park and the Bombah Point Ferry. So that’s what I decided to do, after I thought through a few more possible options for…

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Destination: Back Packing Holiday


I have pretty much determined that my holiday is going to be a back packing trip through the wilderness along the ‘Tops to Myall’s Heritage Trail.’ Now I need to decide on just what part of the trail I’ll do, if indeed not all of it.

One of the determining factors for the trip will be the availability of transport. I would need to get to the Barrington Guesthouse in order to start the walk if doing the whole walk, or either get home from the Gloucester area or to the Gloucester area to start the walk. The start from near Gloucester wouldn’t be an issue – that would be fairly easy to solve with Countrylink and family I think (combo). I’m not sure about the Guesthouse option just yet, but looking into it a little. I could easily walk from where I live to the Gloucester area (and for that matter do a return walk if necessary – though I’d prefer to not do so). I also think that Countrylink could easily drop me off near the start of the walk up that way (along the Buckets Way) should that be necessary.

The most likely outcome is that I’ll travel to Gloucester with Countrylink and then get a lift to the walk starting point from my family the next day. I could try getting a lift to the guesthouse with the family also, but that is unlikely to be an option I would think.

Holiday Planning


It is time to start planning my next holiday. First step in the process was to settle on a date for it – this has been done and I have booked in two weeks annual leave for it.

The second stage is now to establish a location for the holiday. I’m toying with a couple of ideas at the moment. The first is to travel to Cathedral Rocks National Park and do some walks in that area. The second idea is to do some overnight walks through the Myall Lakes National Park through to the Gloucester area. I ruled out the possibility of travelling to the red centre due to rental car restrictions, so it is down to these two possibilities at this stage. I am leaning towards the latter at this stage however.