Apr 20, 2023: How ‘Cloud Seeding’ Modifies Weather in the U.S. ABC News Explains. Currently, 42 cloud seeding projects are underway in the American West… They fly directly into storms and release nano-sized particles of silver iodide into the clouds. The federal government has committed $2.6 million to this process.” Drones and rockets have been … Continue reading Cloud Seeding: Drones are used around the world to modify the weather