acid rain

Acid rain
In some countries acid rain is a big deal. It can harm humans, wildlife, and our natural resources. Most people wont even know when acid rain occurs, it looks feels, and tastes like regular rain. Walking and swimming in acid rain is no more harmful than walking or swimming in clean water. The thing that is harmful about acid rain is the chemicals it produces. Acid rain does sound like something you would hear of in a movie, but, no it is not pure acid, it is just regular rain that has a few chemicals in it. The big concern that scientist and people have about acid rain are, what causes it and how harmful is it?
The term acid rain was established in 1872 by Robert Angus Smith. He created this name when he observed how acid precipitation could damage plants and materials. He however never observed acid rain that fell from the sky. The first time acid rain was observed was in the mid 19th century, when people started to notice that forests that were downwind of large cities showed corrosion. In the 1980’s the U.S. congress passed an Acid Deposition Act. This act started a 1...