The use of dire predictions to encourage action on climate change may be backfiring and increasing doubt that greenhouse gases from human activities are causing global warming.
[...]
Matthew Feinberg at the University of California, Berkeley, wondered whether presenting children as the main victims of climate change, a common feature of warning messages, might be viewed as unfair because children have not caused global warming. He speculated that this, along with the apocalyptic descriptions of global warming's possible consequences, might threaten people's natural tendency to believe that the world is a fundamentally fair and stable place. Undermining that belief has been shown to increase the likelihood that people will ignore reality and allow events to unfold around them without intervening.
[...]
So Feinberg and his colleague Robb Willer, also at Berkeley, asked 45 online participants spread across 15 cities in the United States to engage in what was ostensibly a sentence-unscrambling activity.
Half of the volunteers were asked to unscramble sentences such as "Somehow justice will always prevail", whereas the others were given sentences such as "Often, justice will not prevail". This activity primed them to have either a strong or weak belief in a just world. The participants then completed a survey that measured their scepticism over climate change, asking questions such as "How solid is the evidence that the earth is warming?" and requiring participants to rate their answers on a six-point scale, in which six was not at all solid and one very solid.
Next, participants watched two short global-warming warning videos created by the Environmental Defense Fund, a charity based in New York that campaigns on green issues. The first showed a train speeding towards a small girl as a metaphor for the impending catastrophe that awaits the world's children. The second showed anxious children verbally simulating a clock ticking while describing the climate devastation that is coming. After watching, participants again had their degree of skepticism over climate change measured. They were also asked to rate how willing they were to take action to reduce their carbon footprints.
Feinberg and Willer found that participants primed to have a stronger belief in a just world reported levels of skepticism that were 29 percent higher, and a willingness to reduce their carbon footprint that was 21 percent lower, than those primed to see the world as an unjust place. Their findings are reported in Psychological Science.
[Scientific American]
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