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Global S&T Development Trend Analysis Platform of Resources and Environment
Reducing air pollution: how can changing behaviours help? | |
admin | |
2021-10-01 | |
发布年 | 2021 |
语种 | 英语 |
国家 | 英国 |
领域 | 资源环境 |
正文(英文) | ![]() ![]() Changing people’s behaviours is key to improving urban air quality, but it should be done in a way that involves the community, say researchers. Air pollution ranks fourth among major risk factors for global disease and mortality. In the UK, it contributes to between 28,000 and 36,000 deaths annually, with an estimated economic cost of more than £20 billion every year. With the World Health Organisation this month releasing updated, stricter guidelines for air quality, the need to reduce air pollution has never been more urgent. While research and policy have focused on regulations and technological solutions to urban air pollution, some researchers have suggested that encouraging behaviour change represents a win-win scenario that could reduce both overall concentrations of air pollution and the public’s exposure. Now, a team from Imperial and institutions in Japan have explored studies into behaviour change related to air pollution, to discover the best methods and opportunities for new ways forward focused on community engagement. We spoke to lead researcher Dr Audrey de Nazelle, from the Centre for Environmental Policy at Imperial, about their results, published in the journal Sustainability Science. What kinds of behaviours to reduce air pollution and the public’s exposure to it have been studied?Governments can enact ‘hard’ policies to affect public behaviour, such as driving and parking restrictions, low emission zones or tax increases on more polluting vehicles; or they can use ‘soft’ policies targeting behaviour change, such as public communication, social marketing, or education campaigns.
Supporting behaviours are least studied but show promising results, with the added benefit that supporting local and national policies may eventually lead to the removal of social and physical barriers that prevent wider behavioural changes. This could be, for example, by improving bike lanes or providing safe and well-lit routes for walking, and improving the affordability and timeliness of public transport. How does the method of communication affect how likely people are to change their behaviour?Even the most ‘perfectly’ worded messages delivered at the right time will not change a person’s behaviour if they do not have the physical or social opportunity to engage. Dr Audrey de Nazelle Most studies we looked at had a ‘top-down’ approach: experts and authorities disseminating information to the public. However, a few studies also looked at more ‘participatory’ approaches that engage the public in the design or development of air pollution communication or to engage in ways that go beyond the provision of facts. By engaging communities as a whole, such approaches may be more likely to eventually change norms and the broader cultural and policy context within which individual behaviours and social practices take place. Even the most ‘perfectly’ worded messages delivered at the right time will not change a person’s behaviour if they do not have the physical or social opportunity to engage. This area requires further research, but there is promise in communications that seek to engage the public’s emotions, tap into social identity, and connect people to collective action. Tackling air pollution can have co-benefits, such as promoting health through active transport. Does promoting these benefits help people change their behaviour?It can do, if those co-benefits are something those people value. Different people will be driven by different considerations. While some may value the health benefits of switching some car use for walking or cycling, others may be more motivated by the reduction in carbon emissions from such a switch. There may also be economic and convenience drivers. For example, during the current fuel shortages, more people may be tempted to switch to walking, cycling or public transport for things they used to drive to, like buying groceries. This could translate into long-term changes. However, it is an underexplored area. How can communicators strike the right balance between encouraging individual actions whilst acknowledging that much of the changes must occur at local or national government level?Some research has shown that overall, the public feels individual-level action on air pollution and the environment is futile and that responsibility for improving air pollution primarily lies at the local and national level. We therefore recommend in our paper that communication recognises these expectations and frames action on air pollution as a collective responsibility by demonstrating collective action and leadership.
Much air pollution communication raises concerns without providing solutions, or suggests single solutions that one person may not be able to take, or feel will make a difference. Giving people a range of actions, such as writing to local MPs, engaging in discussion and actions with the local community and joining or contributing to pressure groups, increases self-efficacy, prevents disengagement, and may encourage behaviour change. - ‘How do we effectively communicate air pollution to change public attitudes and behaviours? A review’ by Rosie Riley, Laure de Preux, Peter Capella, Cristian Mejia, Yuya Kajikawa and Audrey de Nazelle is published in Sustainability Science. |
URL | 查看原文 |
来源平台 | Imperial College London |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/338625 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Reducing air pollution: how can changing behaviours help?. 2021. |
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