Solar geoengineering faces daunting practical and political challenges

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Los Angeles CA (SPX) Oct 22, 2025



Efforts to cool the planet by reflecting sunlight back into space may be far more difficult than previously imagined, according to new research from Columbia University scientists. Their analysis highlights the immense scientific, logistical, and geopolitical hurdles involved in stratospheric aerosol injection (SAI) - a proposed form of solar geoengineering that seeks to counter global warming b


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