Professor Raymond Pierrehumbert, Professor of Physics at the University of Oxford, and Professor Michael E. Mann, Director of the Penn Center for Science, Sustainability, and the Media at the University of Pennsylvania, critique the UK’s Advanced Research and Invention Agency (ARIA) funding for solar geoengineering field trials in a recent opinion piece. They describe the geoengineering programme as a “dangerous distraction.” Both professors are signatories of the call for an International Non-Use Agreement on Solar Geoengineering.
Read their full commentary on The Guardian’s website: https://www.theguardian.com/commentisfree/2025/mar/12/solar-geoengineering-uk