2004年6月24日,美国西部的科罗拉多州杜兰戈山林突发森林大火,上万亩郁郁葱葱的森林在一夜之间被大火吞噬。火灾后,政府组织专家对火灾原因展开调查。半个月后专家得出结论:由于这里气候干燥,空气中的磷火一旦接触到森林里的枯枝朽叶,就会燃烧,最终酿成火灾。于是,州政府决定组织人力对森林里衰萎、干枯的树木、草叶进行清理,以绝后患。在随后的两年里,这里再也没有发生大的火灾。然而,火灾避免了,虫灾 June 24, 2004, the western United States of Colorado Durango forest fires, 10,000 acres of lush forests overnight devoured by fire. After the fire, government experts started an investigation into the causes of the fire. After half a month, the experts concluded that due to the dry climate here, the phosphorus in the air, once exposed to dead branches in the forest, will burn and eventually cause a fire. As a result, the state government decided to organize the manpower to the forest withered, dry trees, grass blades to clean up, in order to avoid future troubles. In the ensuing two years, no major fire broke out here. However, the fire was avoided, pest disaster