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Human activities have had a detrimental effect on the composition of air. The burning of fossil fuels and other industrial activities have changed their composition due to the introduction of pollutants, including sulfur dioxide (SO2), carbon monoxide (CO), volatile organic compounds (VOCs), nitrogen oxides (NOX) and solid and liquid particles known as particulate matter. While all these contaminants can be generated by natural sources or human activities (anthropogenic) have increased its presence in the air we breathe.

In that sense, we can define air pollution as the presence in the air of substances or energy forms that affect the quality of it and involves risk, danger or serious and real living beings in general.

air pollutants can have an effect on the health and welfare of human beings. An effect is defined as a measurable or observable adverse change due to an air pollutant. A contaminant can affect the health of humans and the plants and animals. Actions

useful for improving environmental management of the Trade and Regional Services Cauca, in the component Atmospheric listed below:

* Use of alternative fuels.
* Converting cars to gas systems or dual systems combustible.En for odor hood, located in the dining environment, must ensure compliance with current regulations for the subject

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On the issue of water to concentrate efforts to avoid losses and waste by reviewing the plumbing facilities and the rational use of the resource.

water sources in the institution are located in the bathrooms and cafeterias, the former are used by members of the institution and external users, the latter are basically managed by the general service employees are responsible for cleaning, washing and preparing hot beverages. Among the changes in water use habits may include:

* Check that they are fully closed the faucets and not left open unnecessarily. Organize the job to reduce losses.

* Report maintenance personnel for any leak or failure in the toilets, faucets, drinking fountains, and others.

* Adjust watering plants and gardens to calendars and schedules with low evaporation during the day.

* In each agency and learning environment of the Trade and Services must be an awareness campaign for water conservation, supported by posters.

* Ensure that the reductions achieved are maintained and do not miss the progress achieved.

The Trade and Services offers a water savings program including the following steps:

* Identification of reasonable mitigation measures.
* Identification of positive and negative impacts of mitigation measures.
* Preliminary assessment measures to eliminate undesirable.
* cost-benefit analysis.
* Evaluation of the budget required for inclusion in the annual investment program (Additional physical education measures, maintenance and operation).
* Development and evaluation of water conservation.