No you idiot, I haven't discovered anything. I'm merely pointing out facts that the scientist have been pointing out and warning us for more than a decade now. If a dumb ass like yourself had been paying attention or had bothered to pickup a book or two or just an article on this subject then he wouldn't be surprised and wondering where the hell this sandstorm came from.
Yes, earth may have been slowly getting warmer over the past 2 million years but the acceleration and rapid rate of global warming over the past few decades is what is of note and concern here.
10 years from now when the Caspian starts to recede further and further as the remaining lakes in Iran all dry up and Northern Iran starts to look more and more like today's central Iran while the Southern half of the country becomes less and less habitable due to intolerable heat, worsening sandstorms, and lack of drinkable water then you're gonna sit behind your stupid computer and blame the Mullahs and natural progression of weather.