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Conspiracy spillovers and geoengineering.

Ramit Debnath1,2,3,4, David M Reiner4, Benjamin K Sovacool5,6,7

  • 1Cambridge Zero, University of Cambridge, Cambridge CB3 0HE, UK.

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Summary
This summary is machine-generated.

Public opposition to solar radiation management (SRM) geoengineering is influenced by conspiracy theories like "chemtrails." Online discussions reveal that governance events boost positive emotions, while projects increase negative ones, impacting anti-SRM views.

Keywords:
Energy engineeringEngineeringResearch methodology social sciencesSocial sciences

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Area of Science:

  • Environmental science
  • Climate change mitigation
  • Social science

Background:

  • Solar radiation management (SRM) is a geoengineering technique proposed to limit global temperature rise.
  • Public opposition and concerns exist regarding the research and deployment of SRM technologies.
  • Understanding public perception is crucial for the governance of climate interventions.

Purpose of the Study:

  • To analyze public emotions, perceptions, and attitudes towards solar radiation management (SRM) using social media data.
  • To investigate the influence of conspiracy theories on public reactions to geoengineering.
  • To examine the relationship between SRM events, public emotions, and online discourse.

Main Methods:

  • Analysis of 814,924 English-language tweets containing #geoengineering from 2009-2021.
  • Application of natural language processing, deep learning, and network analysis.
  • Examination of the spillover effects of conspiracy theories and online toxicity.

Main Results:

  • Conspiracy theories, particularly "chemtrails," significantly influence public reactions to geoengineering.
  • Conspiracies spill over into regional debates in the UK, USA, India, and Sweden, linking to political considerations.
  • Positive emotions increase after SRM governance events; negative and neutral emotions rise after SRM projects/experiments.
  • Online toxicity correlates with broader spillover effects and anti-SRM sentiment.

Conclusions:

  • Conspiracy theories and online toxicity play a significant role in shaping public attitudes towards solar radiation management.
  • Public emotional responses to SRM are event-dependent, with governance fostering positivity and projects/experiments eliciting negativity.
  • Effective communication and governance strategies are needed to address public concerns and misinformation surrounding geoengineering.