The Kansas Water Office spent $156,000 on weather modification contracts for pilots to release silver iodide into clouds to reduce crystal formation despite the fact that in 2003, scientists at the National Academy of Sciences concluded there is no scientific evidence that it works. Governor’s Budget Report FY-2010 page 328 and “Cloud-seeding gets a failing grade” San Antonio Express-News, October 20, 2003 | Link
World Meteorological Organization Expert Team on Weather Modification | Link