Acid Rain. 2

Acid Rain--A Contemporary World Problem Acid rain is one of the most dangerous and widespread forms of pollution. Sometimes called "the unseen plague," acid rain can go undetected in an area for years. Technically, acid rain is rain that has a larger amount of acid in it than what is normal. The acidity of rain in parts of Europe and North America has dramatically increased over the past few decades. It is now common in …

…animals that are toxic. Acid rain can even kill fish before they are born. Acid rain hits the lakes mostly in the springtime, when fish lay their eggs. The eggs come into contact with the acid, and the entire generation can be killed. Fish usually die only when the acid level of a lake is high; when the acid level is lower, they can become sick, suffer stunted growth, or lose their ability to reproduce.