Pollution

Introduction
Pollution is the addition to the ecosystem of someting which has a detrimental effect on it. One of the most important causes of pollution is the high rate of energy usage by modern,growing populations.

Different kinds of pollution are found. In this section we will discuss:

Air Pollution.
Water Pollution.
Land Pollution.--------------------------------------------------------------------------------

Air Pollution
Air pollution is the accumulation in the atmosphere of substances that, in sufficient concentrations, endanger human health or produce othermeasured effects on living matter and other materials. Among the major sources of pollution are power and heat generation, the burning of solid wastes, industrial processes, and, especially,transportation. The six major types of pollutants are carbon monoxide, hydrocarbons, nitrogen oxides, particulates, sulfur dioxide, and photochemical oxidants.

Examples of Air Pollution

Noise PollutionNoise pollution or unwanted sounds that are carried by the air, have an irritating and detrimental effect on humans and other animals. Careful planning of streets and biuldings in towns and better controlover noisy vechiles may add to the control of noise pollution.
Tobacco Smoke
Tobacco smoke is one of the major forms of pollution in buildings. It is not only the smoker who is infected, buteveryone who inhales the polluted air. There is a very strong connection between smoking and lung cancer. Bronchitis is common among smokers and unborn babies of mothers who smoke also suffer from theharmful effects of smoking.
Exhaust Gases of Vehicles
Pollution from exhaust gases of vehicles is reponsible for 60% of all air pollution and in cities up to 80%. There is a large variety of harmfulchemicals present in these gases, with lead being one of the most dangerous.
Combustion of Coal
The combustion of caol without special precautions can have serious consequences. If winds do not...