Consequences of air pollution

In people: the lung such as asthma, emphysema, lung cancer, bronchitis. At the level of the skin, spots, skin cancer, conditions in the mucous membranes of the nose, eye irritation, conjunctivitis, also exacerbates cardiovascular disease, among other diseases.
In materials, deterioration of materials used in buildings and other surfaces.
In plants, alters the process of photosynthesis.
Environmental problems: among the most dramatic problems with the smog of big cities, climate change and regional to global scale, the greenhouse effect, acid rain and the decrease of the ozone layer.

Smog
In large cities such as Mexico, New York, Santiago de Chile and others, you can see a gray cloud in the sky that usually covers the entire city, this cloud is called smog and is formed by the accumulation of pollutants in the atmosphere. Among these pollutants are:
Carbon monoxide driven by vehicles.Sulfur oxide, expelled by the chimneys of factories.Coal, black powder formed by the incomplete burning of gasoline and other petroleum products.

The World Health Organization (WHO) states that every year 3,000,000 people die because of pollution. This figure triples million people die yearly in car crashes.