Although it is normal for rain to contain some acid, high levels is of acid can cause serious environmental damage as For example, forests in Ontario, Quebec and parts of Canada are other rely gradually disappearing because acid rain is preventing the trees and like plants from growing properly The acid reduces their ability to withstand her insects and cold weather by destroying their leaves and poisoning the soil in which their roots grow. Acid rain also causes water pollution. toxi Many lakes and rivers in southern Norway have become so acidic that certain fish species have been completely wiped out. Even man-made structures are not safe because acid can eat into stone, brick and metal. Acid rain has damaged historic monuments in Europe as well as the ruins ofthe ancient Mayans in southern Mexico.