Acid Rain

INTRODUCTION: Acid rain is a great problem in our world. It causes fish


and plants to die in our waters. As well it causes harm to our own race as


well, because we eat these fish, drink this water and eat these plants. It


is a problem that we must all face together and try to get rid of. However


acid rain on it's own is not the biggest problem. It cause many other


problems such as aluminum poisoning. Acid Rain is deadly.


 


  WHAT IS ACID RAIN?


    Acid rain is all the rain, snow, mist etc that falls from the sky


onto our planet that contains an unnatural acidic. It is not to be


confused with uncontaminated rain that falls, for that rain is naturally


slightly acidic. It is caused by today's industry. When products are


manufactured many chemicals are used to create it. However because of the


difficulty and cost of properly disposing of these products they are often


emitted into the atmosphere with little or no treatment.





    The term was first considered to be important about 20 years ago when


scientists in Sweden and Norway first believed that acidic rain may be


causing great ecological damage to the planet. The problem was that by the


time that the scientist found the problem it was already very large.


Detecting an acid lake is often quite difficult. A lake does not become


acid over night. It happens over a period of many years, some times


decades. The changes are usually to gradual for them to be noticed early.





    At the beginning of the 20th century most rivers/lakes like the river


Tovdal in Norway had not yet begun to die. However by 1926 local


inspectors were noticing that many of the lakes were beginning to show


signs of death. Fish were found dead along the banks of many rivers. As


the winters ice...