尽管我们可以客观地认为,今春的北方地区恶劣的沙尘天气的确是自然现象,但以此为我们自身“免责”,似乎于情于理都不合。过度放牧与垦荒、大量抽取地下水、甚至过分密集而又裸露的建设工地,不都是助长沙尘肆虐的潜在或直接人为因素?的确,如果没有人类为加快经济建设而急功近利 Although we can objectively believe that the bad dust weather in the northern part of this spring is indeed a natural phenomenon, it seems that we are totally uncooperative in our own exemption from this. Excessive grazing and land reclamation, massive extraction of groundwater, and even over-crowded and bare construction sites are not all potential or direct human factors contributing to the ravages of dust and dust. Indeed, if no mankind is eager to speed up economic construction