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go to them because of a background sense that they are insufficiently safe or, returning to the less intense feelings of aversion that Bixler and Floyd point towards, insufficiently sanitised (Skår 2010). Another study has considered how we might feel more relaxed if we can see for a good distance without potential assailants seeing us – viewed in this way, being immersed in vegetation that can also conceal threats is understandably unappealing (Gatersleben and Andrews 2013).

      How to Respond?

      What should be done about this? If we accept that there is more to this issue that providing attractive urban parks, what other solutions are there? One novel response is to think about how comparable experiences and benefits could be provided indoors. Could getting people to look at greenery on screen (or experience it through virtual reality) have the same effects? Perhaps for older people in ageing societies this could be a particularly good idea when the real-world equivalents can be physically daunting for this group (Depledge, Stone, and Bird 2011)? However, such a strategy could also push those involved even further away from the outdoors by giving them everything they need from nature inside. Presenting dramatic natural environments on screen might furthermore make the local outdoor reality increasingly dull by comparison (Ballouard, Brischoux, and Bonnet 2011). Building on the idea that we need to engage with, rather than ignore, the changing ways in which people are living in cities, another suggestion is that policymakers might do better to focus on making greenspace easier for people to encounter without making active choice to go to parks and gardens. Perhaps we should focus on the ‘incidental’ interactions associated with where they already walk, work and live (Cox et al. 2017a).

      One recently popular way of thinking about encouraging greenspace benefits has been to speak in medical terms and to talk of the most effective ‘dose’ of nature experience to foster individual and collective health (Gladwell et al. 2013; Cox et al. 2017b). This is not without its problems in terms of downplaying variable circumstances (how groups might respond differently to their dose and face different dosing challenges) (Bell et al. 2019). Yet, for me, this is an apposite way of thinking about the issue because, when we are taking our medicine, we are doing something that we know is good for us, but which we can otherwise easily overlook. This is the essential idea that justifies the focus of this book. Within it, my aim is to consider how certain outdoor experiences that may feasibly involve beneficial encounters with plants and trees might be squeezed out of everyday life. My thinking is that we can make urban greenspaces as attractive as we like. And (without being too dramatic about it) we can extol the restorative benefits that come from spending time in these spaces until we are blue in the face. But, if many city people are being captured by certain patterns of everyday living that render them oblivious (or, perhaps more rightly, incapable of responding) to the benefits of being with trees and plants, the mounting evidence suggesting that going there could do them much good will be of little effect.

      With that suggestion in mind, this book turns to a variety of situations that may initially seem trivial (I’ll make no bones about it). It will spend time attending to how a sample of city lawyers speak about ‘stepping away from their desks’ and how some recreational runners have ended up on treadmills. It will explore why the basic idea of living plants can prove challenging for some of those who are lucky enough to own a domestic garden and how young people feel they should wash at summer music festivals. The processes at play in these situations are those to which even the people involved may give little thought. Nevertheless, my argument is that they could eventually end up having significant consequences. But I am getting ahead of myself here. The next step is to discuss how I became interested in this topic and the concepts on which this book draws to explore it.

      The Nuts and Bolts of Nature

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