Water Pollution

Topics: Acid rain, Pollution, Sulfur dioxide Pages: 17 (6191 words) Published: February 10, 2011
How Pollution Affects Us And Our Enviornment

A. Who makes up most of the pollution B. Who and what is harmed by pollution Conclusion: We need to use renewable resources and finding uses for waste products instead of creating pollution by throwing them out. Our environment is a crucial part of our lives, and we must learn how to treat it correctly. Without it we would not be living. We need to become more aware of the circumstances that are going to take place if action is not taken . We need to stop making emphasis on what will make us more comfortable, because if we dont soon we will not have a world to live in and we will all die. Then how important will living comfortable be. How Pollution Affects Us and Our Surroundings Pollution occurs when harmful substances are released into the environment, causing damage to living things. This is caused by humans and complex organisms everyday

It is difficult to actually say what exactly pollution is because some environmental elements that are pollutants to certain species maybe desirable nutrients to others. A dictionary defines pollution as the contamination of one substance by another so that the former is unfit for its intended use. Since us humans are basically inefficient, wasteful, and inconsiderate to our surroundings we make up most of the pollution that is currently affecting us because of the whole industrial origin and human growth population. Pollution takes many different forms: noise, radio waves and even heat. The more obvious types are solid litter, fumes from car exhausts and our lack of recycling (Becklake, page 5). Some of the main causes for the existence of these substances are our growing technology making it mandatory for industrial growth making way for industrial emissions that are escaping into the air, nuclear waste plants having to be made to make human waste valuable in some way since so much was being produced.

When fossil fuels in homes and vehicles such as coal and gas are burned they produce sulfur and nitrogen, which react with damp air to make sulfuric and nitric acids. If the air is dry the reaction takes place very slowly As in result of all this we are not only hurting ourselves with these pollutants but we are also, not only hurting, but killing off our surroundings little by little that are in some way crucial to our existence here. For example, we are gradually killing our ozone layer by releasing various chemicals such as carbon monoxide which is produced by cars and is highly poisonous and let out into the atmosphere. Lead is another serious pollutant from car exhaust. It is added to gasoline to make engines run more smoothly. According to Malcolm Penny, in several states the use of leaded gasoline is illegal.

Despite its availability in Great Britain only one in a thousand motorists use lead free gasoline in 1997.(10) The ozone layer is a region in the earths stratosphere. It is formed of oxygen that is created by the action if sunlight. This layer is of great importance to us because it protects the earth of getting direct ultraviolet rays which are dangerous to us. Acid precipitation, although a secondary pollutant, is another factor caused by industrial and vehicle emissions when sulfur dioxide, nitrogen oxides and carbon dioxide in the air combine with water. This poses as a great threat to living organisms, buildings, monuments, and other objects.

For example a species can be killed off with strong enough acid precipitation and that is harmful because that will always harm the food chain in some way, meaning it will affect us as well. According to John Becklake, the damage has been very serious. In the 1900s anglers in Norway caught more than sixty-six pounds of salmon, but since 1970 they have caught none. This incident should set an alarm to everyone, even our foods are being polluted.(12) Acid Precipitation affects the leaves of trees which reduces their ability to make food by photosynthesis. Photosynthesis is...

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