The Greenhouse Effect

Topics: Air pollution, Water, Carbon dioxide Pages: 19 (6988 words) Published: March 27, 2013
Have you ever thought, why some people have breathing problems in the cities? The answer is simple – air pollution. Air pollution is one of the most important problems in the world. How can we solve this environmental problem? Today factories produce more and more cars. Factories and cars are one of the biggest air pollutants. To begin with, drivers should use unleaded petrol. However, they use leaded petrol, as it is cheaper. The cars should be banned from city centres, as they cause big smog. Another serious problem is that there are no filters in factories. Moreover, factory managers save their money. They do not care about nature and what may happen with it. Some plants just cannot afford to buy filters, as they are too expensive. Pasekmes This factory fumes cause acid rain, smog and other environmental problems. As a result, more and more people are developing skin cancer. Also, many trees, plants and animals continually die out. Sprendimo budai mankind can solve air pollution problems, but they do not want. However, we should take care and try to safe the world, because we are a part of nature. So, if nature dies, we will not survive either.

Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities can release substances into the air, some of which can cause problems for humans, plants, and animals.

There are several main types of pollution and well-known effects of pollution which are commonly discussed. These include smog, acid rain, the greenhouse effect, and "holes" in the ozone layer. Each of these problems has serious implications for our health and well-being as well as for the whole environment.

One type of air pollution is the release of particles into the air from burning fuel for energy. Diesel smoke is a good example of this particulate matter. The particles are very small pieces of matter measuring about 2.5 microns or about .0001 inches. This type of pollution is sometimes referred to as "black carbon" pollution. The exhaust from burning fuels in automobiles, homes, and industries is a major source of pollution in the air. Some authorities believe that even the burning of wood and charcoal in fireplaces and barbeques can release significant quanitites of soot into the air.

Another type of pollution is the release of noxious gases, such as sulfur dioxide, carbon monoxide, nitrogen oxides, and chemical vapors. These can take part in further chemical reactions once they are in the atmosphere, forming smog and acid rain.

Pollution also needs to be considered inside our homes, offices, and schools. Some of these pollutants can be created by indoor activities such as smoking and cooking. In the United States, we spend about 80-90% of our time inside buildings, and so our exposure to harmful indoor pollutants can be serious. It is therefore important to consider both indoor and outdoor air pollution.

Smog is a type of large-scale outdoor pollution. It is caused by chemical reactions between pollutants derived from different sources, primarily automobile exhaust and industrial emissions. Cities are often centers of these types of activities, and many suffer from the effects of smog, especially during the warm months of the year. Additional information about smog and its effects are available from Environment Canada and the Air Quality Management District (AQMD) in southern California.

For each city, the exact causes of pollution may be different. Depending on the geographical location, temperature, wind and weather factors, pollution is dispersed differently. However, sometimes this does not happen and the pollution can build up to dangerous levels. A temperature inversion occurs when air close to the earth is cooler than the air above it. Under these conditions the pollution cannot rise and be dispersed. Cities surrounded by mountains also experience trapping of...

Cited: Zwinger, Susan. "Becoming Water". In American Nature Writing. Selected by John A. Murray. San Francisco: Sierra Club Books, 1997. 238-243.
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