“Luzhkov’s plan is to spray clouds with a chemical mist — made of cement powder, dry ice, or silver iodide — before they reach the city, causing the clouds to dump their snow loads on the surrounding suburbs. The advantages, he claims, are numerous: Moscow residents won’t have to contend with congested streets, the agricultural regions will receive more precipitation, and the whole project is considerably less expensive than the current cost of clearing Moscow’s streets.”
— Moscow Mayor’s Climate-Hacking Plot: a Winter Without Snow - controlling the weather is cheaper than clearing the streets?