Story thread · 3 reports / 3 sources

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

wtop.com · 6dShare

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.

First report: This company says it can help cool the planet for $10 billion a year; scientists are raising red flags — kq2.com, 7d