Deforestation, deforestation, land clearing, overgrazing, and the destruction of forests and pastures, resulting in soil erosion and land desertification, so that dust storms occur frequently.

• 乱砍滥伐、毁林开荒、过度放牧等，会破坏森林和草场，造成水土流失和土地荒漠化，使沙尘暴频繁出现。