Differents kinds of pollution

Water pollution

Water pollution is a modification of this, usually caused by humans, which makes it unsuitable or dangerous for human consumption, industry, agriculture, fishing and recreational activities as well as for animals and wildlife and cotidiana.1

While water pollution can come from natural sources (for example, the ash of a volcano) 2 most of the current pollution comes from human activities. The development and industrialization involve greater use of water, a waste generation, many of whom end up in the water and the use of means of river and sea transport in many cases, are causing water pollution.

  

Air pollution

Pollution is harmful alteration of the natural state of half following the introduction of a totally foreign agent that environment (pollutant), causing instability, disorder, harm or discomfort in an ecosystem, in the physical environment or a living being . The contaminant may be a chemical, energy (such as sound, heat, or light), or even genes. Sometimes the contaminant is a foreign substance, a form of energy, or a natural substance.

It is always a negative alteration of the natural state of the environment, and typically is generated as a result of human activity Pollution can be classified by type of source is given, which are point sources (isolated and easy to identify ) and (scattered and difficult to locate) nonpoint sources.

Noise pollution

Noise pollution or noise pollution is called the excess of sound that alters the normal conditions of the environment in a given area. Although the noise does not accumulate, moved or maintained over time as the other pollutants, may also cause great damage to the quality of life of people if not well controlled or adequately.

The term "noise" refers to noise (understood as excessive and annoying sound) caused by human activities (traffic, industry, entertainment, aircraft, etc.), which has adverse effects on the auditory, physical health and mind of living beings.