AI Article Synopsis

  • Communicating the scientific consensus on human-caused climate change effectively increases beliefs, worry, and support for action among U.S. audiences.
  • In a study involving over 10,000 participants from 27 countries, both a classic consensus message and an updated crisis-focused message were tested, with the classic message leading to a notable reduction in misperceptions.
  • Both messages were particularly effective for people less familiar with the topic or who had high levels of misperception, indicating their usefulness as a non-polarizing way to educate various audiences.

Article Abstract

Communicating the scientific consensus that human-caused climate change is real increases climate change beliefs, worry and support for public action in the United States. In this preregistered experiment, we tested two scientific consensus messages, a classic message on the reality of human-caused climate change and an updated message additionally emphasizing scientific agreement that climate change is a crisis. Across online convenience samples from 27 countries (n = 10,527), the classic message substantially reduces misperceptions (d = 0.47, 95% CI (0.41, 0.52)) and slightly increases climate change beliefs (from d = 0.06, 95% CI (0.01, 0.11) to d = 0.10, 95% CI (0.04, 0.15)) and worry (d = 0.05, 95% CI (-0.01, 0.10)) but not support for public action directly. The updated message is equally effective but provides no added value. Both messages are more effective for audiences with lower message familiarity and higher misperceptions, including those with lower trust in climate scientists and right-leaning ideologies. Overall, scientific consensus messaging is an effective, non-polarizing tool for changing misperceptions, beliefs and worry across different audiences.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493676PMC
http://dx.doi.org/10.1038/s41562-024-01928-2DOI Listing

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