摘要：We report the results of the first large-scale international survey of public perception of
geoengineering and solar radiation management (SRM). Our sample of 3105 individuals in
the United States, Canada and the United Kingdom was recruited by survey
firms that administer internet surveys to nationally representative population
samples. Measured familiarity was higher than expected, with 8% and 45% of the
population correctly defining the terms geoengineering and climate engineering
respectively. There was strong support for allowing the study of SRM. Support
decreased and uncertainty rose as subjects were asked about their support for
using SRM immediately, or to stop a climate emergency. Support for SRM is
associated with optimism about scientific research, a valuing of SRM's benefits and
a stronger belief that SRM is natural, while opposition is associated with an
attitude that nature should not be manipulated in this way. The potential risks
of SRM are important drivers of public perception with the most salient being
damage to the ozone layer and unknown risks. SRM is a new technology and
public opinions are just forming; thus all reported results are sensitive to changes
in framing, future information on risks and benefits, and changes to context.
