Air Pollution is not a new topic. It is a problem that we have noticed since the industrial revolution, when trees, houses and cars were covered in soot from the factories. People demanded change then, just as they are demanding it now. With all the talk of acid rain, global warming and ozone depletion it seems hopeless, but it isn't. Everyone can make a difference. After reading this you will understand the causes, effects and possible solutions to the problems of acid rain, global warming and ozone depletion. You will also see that things are bad but not hopeless.
Acid Rain is the term given to any precipitation that is above normal acidity, this includes snow and fog. The acidity or causticity of a solution is measured in pH. A neutral pH is 7, acidic is lower then 7 and a base is greater than 7. The normal pH of rainwater is 5.5 (slightly acidic). In Scotland on April 20, 1974 the rain measured 2.4 and in West Virginia in 1978 the rain had a pH of 2.0! This was in the 70's and air pollution since then hasn't gotten any better. This very highly acidic rain kills plants and animals and destroys buildings.
Acid rain occurs when the moisture in the air mixes with Carbon, Nitrogen, and Sulphur gases. These gases are released into the air by the burning of fossil fuels (natural gas, coal and oil). The primary source of the gases comes from electric companies that burn coal.
Damage caused by acid rain is tremendous. The acid in the rain bonds with the minerals in the soil, tying them up so that plants can not use them. The plant becomes mineral deficient and weak. The rain also kills the plant's leaves, further weakening it and making the plant more susceptible to fungus and other diseases. This is a major agricultural problem.
The rain effects lakes, rivers and the animals living within them. The plants in the lakes and rivers are killed in the same way as land plants. The fish and other animals are left with no food. The animals... [continues]
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