Post
The Wall Street Journal
wsj.com
did:plc:i3fhjvvkbmirhyu4aeihhrnv
We need an insurance policy to protect Earth from a dangerously stormy sun. One idea is StormWall, and it involves school-bus-size satellites and a whole lot of salt, writes Christopher Mims.
https://on.wsj.com/4vgwyHz
2026-07-10T15:40:15.568Z