explained the world to you , i understood, but he came here, he realized that it is really arbaeen, shah ziraod shooting, everyone knows, everyone knows, go to abra, zahra's house do not sit high in talking about motahar mehrabi the weather is very bad, the dust is so bad, we can't breathe, there is no other way, i have to go out. the increase in the phenomenon of fine dust, which has occurred in different regions of the country following the climate changes and droughts of the past decade , is no longer limited to specific occasions or years. and the dust occurs, where does it start, and it starts in iraq, east syria, north africa, it starts, well, the dust comes to the fact that it started in north africa, sometimes it is transferred to iran by currents, regime change in a region, remote areas our recent studies show that the severity of land destruction has also changed desertification of at least one million, 4% increase in temperature, decrease in rainfall followed by erosion and destruction in the dry and semi-desert climate of our country has aggravated the phenomenon of dust from abou