Alameda Officials Stop Cloud Brightening Study Aimed at Cooling Planet

Researchers had been testing a sprayer that could one day be used to push a salty mist skyward, cooling the Earth. Officials stopped the work, citing health questions. https://static01.nyt.com/images/2024/05/13/multimedia/13cli-ALAMEDA-01-cjkp/13cli-ALAMEDA-01-cjkp-mediumSquareAt3X.jpg