The relationship between man and his environment is a also been affected by the urbanization process, which has led to the destruction of green areas to make way for new housing construction, where every time recreational areas are scarce.
Migration from rural to urban areas brings failure of utilities (water, electricity, transport) and low standard of living of a large percentage of urban population.
The noise pollution in some cities is very sharp, vehicles, aircraft, machinery. etc ... Noise harmful psychological effects such as disrupted sleep (when the intensity exceeds 70 decibels), lower job performance and cause a constant state of anxiety. It is said that the young generation of today will be future deaf, as is increasing the noise of cities.
purified water pollution and outdated pipes and treatment sludge dissolve in water treatment, pollution of the water supply, the fermentable organic material leaking from septic tanks, the wastewater discharge of sewage not refined; water discharges of lava flows (Phosphate), the washing of urban soils saturated with different pollutants, filtration of harmful due to uncontrolled discharges ...
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