NBCNews.com | Could 'Re-Engineering' Earth Help Ease the Hurricane Threat? NBCNews.com Scientists say seeding the stratosphere with tiny particles could reduce the number of hurricanes by 50 percent. Sep.08.2017 / 11:25 AM ET. Image: US-WEATHER-HURRICANE-CARIBBEAN :: AFP or licensors / AFP. Huricane Irma churns over the Caribbean ... |