Our national acid rain is growing overspread.Acid rain areas is territorial thirty precent.Our country has become the third larger serious areas after Europe,North American in the world.

• 我国酸雨正呈蔓延之势,酸雨区面积占国土面积的30%25,已成为继欧洲、北美之后世界第三大重酸雨区。