The dust storms in Las Vegas are horrible. The particles might be causing sickness. The vacant lots in Las Vegas contribute to the problem since dust is picked up from the broken up ground. The highrises funnel the wind. The juxtaposition of highrises and vacant acreas is mindboggling. Form is not following funcion in this city design.
In the past people had to improve their land with trees. They should at least cover it in mulch.