1 June 2016 | By Scientific American, adapted by Newsela staff |

"Silver Iodide To Boost Rainfall

The smoke glittered because it contained silver iodide. The metallic compound can help boost rainfall levels.

Such attempts to artificially increase rainfall are known as cloud seeding."

Link To_cloud-seeding-article_and_questions

PubChem — Silver Iodide

-- "The major hazards encountered in the use and handling of silver iodide stem from its toxicologic properties. Toxic by all routes (ie, inhalation, ingestion, and dermal contact), exposure to this odorless, light yellow, crystalline substance may occur from its use in seeding clouds for rain-making,..."

-- "Silver iodide may form explosive compounds..."  Link to Source

California Wildfires: Role of Undisclosed Atmospheric Manipulation and Geoengineering

An evaluation of eleven operational cloud seeding programs in the watersheds of the Sierra Nevada Mountains