This company says it can help cool the planet for $10 billion a year; scientists are raising red flags

By Laura Paddison, CNN (CNN) — One company has a simple-sounding plan to help save the planet: take a food additive and the mineral that makes eggshells hard, produce tiny particles out of them, spray them into the atmosphere and cool the world. Stardust Solutions, an Israeli-US company founded in 2023 and led by two