https://apnews.com/article/climate-change-cloud-seeding-colorado-river-f02c216532f698230d575d97a4a8ac7b

DENVER (AP) — The Southern Nevada Water Authority on Thursday voted to accept a $2.4 million grant from the U.S. Bureau of Reclamation to fund cloud seeding in other Western states whose rivers feed the parched desert region.

The weather modification method uses planes and ground-based cannons to shoot silver iodide crystals into clouds, attracting moisture to the particles that falls as additional snow and rain.