'The Strange and Totally Real Plan to Blot Out the Sun and Reverse Global Warming'

In a 2023 pitch to investors, a "well-financed, highly credentialed" startup named Stardust aimed for a "gradual temperature reduction demonstration" in 2027, according to a massive new 9,600-word article from Politico. ("Annually dispersing 1 million tons of sun-reflecting particles," says one slide. "Equivalent to 1% extra cloud coverage.") "Another page told potential investors Stardust had already run low-altitude experiments using 'test particles'...