Pollutant Sources

To speak of the main pollutants of our habitat and environment, we order the item, as it is very wide range of elements that can be considered that are affecting the natural cycle of life on Earth in the air we breathe, the water we drink and the food we eat as primary needs of human beings.

Air pollution is caused by the discharge of different ways, gases are toxic to humans, which becomes part of an artificial or unnatural the air we need to live. While our agency allows a degree of modification of the natural composition of this element, the continuous supply of toxic gases violates all of this capacity may lead to our death.

Each year, industrial countries generate billions of tons of pollutants. The most common air pollutants and more widely dispersed are carbon monoxide, sulfur dioxide, nitrogen oxides, ozone, carbon dioxide and suspended particulates. The level is usually expressed in parts per million, ie the number of pollutant molecules per million air molecules.

There are pollutants such as sulfur dioxide, which are produced by burning coal or oil power plants, which are easy to identify, as well as the CO2 given off by exhausts of combustion engines powered by petroleum fuels, but other dangerous pollutants are formed by reacting in the atmosphere through the action of sunlight and are difficult to detect in its early stage. For example, ozone, a dangerous pollutant that is part of smog, is produced by the interaction of hydrocarbons and nitrogen oxides under the influence of sunlight and although it is a gas that protects us in the appropriate measure against ultraviolet rays may cause damage excess.

Water is one of the most wanted to eliminate chemicals and waste of all kinds. Industrial effluent and sewage discharges without prior processing are the main agents of pollutants, but also the disposal of radioactive waste and industrial waste that can not be processed on the ground, precisely because of its high pollutant, end up in compromising the future of the oceans Metro, which today make him give the nickname of "trash the world."

Besides the problem of water pollution, lost a natural and necessary for human life so little at this stage of civilization, there is also contamination of seafood which is then consumed in the diet with consequent transfer of toxic elements.

The soil on the other hand suffers constant pollution of various industrial operations are performed with toxic chemicals, mining highlighting the use of heavy metals, paper with the use of chlorine in the manufacture of white paper, pesticides and used festicidas openly in agriculture crops.

We want to mention a point of order the famous list of the "dirty dozen", established in Stockholm by the UN, an important step to eradicate chemical compounds used in various activities whose toxicity has been proven scientifically and unfortunately with concrete in humans. The Dirty Dozen is composed of aldrin, chlordane, dieldrin, endrin, heptachlor, hexachlorobenzene, mirex, toxaphene, polychlorinated biphenyls, DDT, dioxins, polychlorinated biphenyls.