A ‘doomsday’ solar storm could cause $20 TRILLION of damage in the next 150 years warn researchers who called for a ‘planetary shield’ to protect Earth 

Solar storms often come and go unbeknownst to most people – at most, we hear of minor radio blackouts or satellite disruptions, and of course, the breathtaking auroras. But, scientists have warned that extreme space weather events could one day cause far more harm, with potential to wipe out the electrical grid and cause global technological damage.

Source: Calls for ‘shield’ to protect Earth from solar storms | Daily Mail Online