Listen and Learn from the Public

According to this New Science article, the general public is more likely to support climate projects, and may provide useful outside perspectives for improvement, if environmental scientists and engineers reach out to them during project development. The article highlights the benefits of engaging the public to round out scientific investigation with input on the social, political, and ethical impacts of proposed solutions.
 
Read the full article from New Scientist below.

 
Would-be geoengineers must listen to the public

by Adam Corner

 
It is no surprise that a proposed test of a climate engineering technology has raised hackles despite being environmentally benign
 
The world’s first field test of a technology that might, one day, cool global temperatures has been put on hold for at least six months, amid disquiet.
 
In October, the skies above Norfolk in the UK were scheduled to host a giant balloon attached to a 1-kilometre pipe that would harmlessly spray water droplets into the air. The work could be the first practical step in combating the effects of climate change.
 
The test is part of a research programme that aims to evaluate the feasibility of Stratospheric Particle Injection for Climate Engineering (SPICE). This is just one of many proposals for technologies that could manipulate the climate through “solar radiation management” – if ever deployed, it would involve spraying reflective particles into the stratosphere to deflect a proportion of sunlight.
 
It is by no means clear that these ideas will ever become reality. The SPICE project has become a lightning rod for discussion and debate, however, because it is the first solar radiation management technology to be officially tested outside the lab.
 
Now the body overseeing all this, the UK’s Engineering and Physical Sciences Research Council, has decided it needs further consultation with “stakeholders”, such as environmental organisations, before going ahead.
 
Atmospheric liposuction
 
Writing in The Guardian, activist and writer George Monbiot described the project as a “complete waste of time” and geoengineering as “atmospheric liposuction”. The ETC group, an international technology watchdog, denounced the trial as an “unhelpful provocation” likely to undermine international climate negotiations.
 
The SPICE team are quick to point out that the test itself does not constitute geoengineering – they are simply testing a delivery mechanism for spraying particles, and observing the movements of the balloon. But although the process may be environmentally benign, it is proving somewhat toxic socially.
 
It may be tempting to dismiss opposition to SPICE as anti-scientific, but there are good reasons to scratch beneath the surface of these views. Experience with previous science-society controversies such as the genetically modified crops debate or the continuing concerns over nanotechnologies shows that public mistrust is only partly based on scientific grounds. When members of the public are given the opportunity to discuss emerging areas of science, they often bring perspectives to the table that the scientific community may have missed.
 
Beyond questions about the safety or unintended side effects of geoengineering, there are deeper issues outside the remit of a purely scientific investigation. Is the intentional manipulation of the climate acceptable in principle? Will geoengineering technologies be likely to cause international conflict? Whose voices will be represented in decision-making about research and deployment? These are questions that should not be restricted to scientific or political elites, and opposition to seemingly benign scientific tests must be seen against this backdrop. What the SPICE test represents is just as important as its physical effect.
 
Most people are not experts on the science of geoengineering, but we can all claim to have some expertise in making moral and social judgements. Opinions that may appear irrational from a scientific perspective often seem less so when considered through a social, political or ethical lens. Incorporating these broader public views into decision-making about research and development is essential when the stakes are so high and uncertainty so great.
 
Ideology and technology
 
Research by Dan Kahan and colleagues at Yale University has repeatedly demonstrated that public attitudes about science are coloured by an ideological filter. Risk perceptions are not simply a matter of weighing up the pros and cons of a particular technology: they are also judgements about the role of science in society. If you are generally predisposed – for entirely legitimate reasons – to be sceptical about the value of grand, high-tech solutions to societal problems, and dubious about the capacity of governments and industry to regulate them, then the SPICE test is likely to set alarm bells ringing.
 
This position is not irrational in any meaningful sense of the word. Whether or not to deploy geoengineering is clearly a value judgement. But so is the decision about whether to conduct research into it at all. Moreover, there are good reasons for taking these broader perspectives seriously. The lesson for scientists from the controversy over GM crop trials is that ignoring seemingly unscientific opposition is counterproductive. Public engagement should not be considered as an opportunity to “sell” new technologies. When the public perceives this to be the case, opposition is likely to harden.
 
Incorporating public perspectives is also unlikely to deliver easy answers. In research conducted recently by the Understanding Risk group at Cardiff University, UK, members of the public expressed a range of views about SPICE. Most were willing to entertain the notion that the test should be pursued as a research opportunity. But very few were unconditionally positive about either the idea of solar radiation management or the test itself.
 
When such a critical issue is at stake it is perhaps inevitable that debates will be characterised by hyperbole and inflammatory rhetoric. But it is vital to remember that public attitudes towards science are not simply read off from scientific risk assessments. The SPICE test is a deeply symbolic development, and opposition towards it must be understood in this context.
 
Adam Corner is a research associate in the School of Psychology at Cardiff University, UK, focusing on the communication of climate change and public engagement with emerging technologies such as geoengineering.
 

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