miércoles, 27 de febrero de 2013
AIR POLLUTION
Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as food crops, or damage the natural environment or built environment.
The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
WATER POLLUTION
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.
Water pollution affects plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and populations, but also to the natural biological communities.
VISUAL POLLUTION
Visual pollution is the term given to unattractive and man-made visual elements of a vista, a landscape, or any other thing that a person does not feel comfortable looking at. Visual pollution is anaesthetic issue, referring to the impacts of pollution that impair one's ability to enjoy a vista or view. The term is used broadly to cover visibility, limits on the ability to view distant objects, as well as the more subjective issue of visual clutter. visual clutter can be defined as over crowd of things in a small area. Visual clutter disorient people who happen to be at the location.
NOISE POLLUTION
Noise pollution is displeasing or excessive noise that may disrupt the activity or balance of human or animal life. The word noise is cognate with the Latin word nauseas, which means disgust or discomfort. The source of most outdoor noise worldwide is mainly caused by machines and transportation systems, motor vehicles, aircrafts, and trains. Outdoor noise is summarized by the wordenvironmental noise. Poor urban planning may give rise to noise pollution, since side-by-side industrial and residential buildings can result in noise pollution in the residential areas.
EFFECTS OF POLLUTION
The effects are manifested by changes in ecosystems, in the generation and spread of disease in living organisms, massive death and, in extreme cases, the disappearance of animal and plant species, inhibition of production systems and, in general, degradation quality of life (health, clean air, clean water, recreation, enjoyment of nature, etc.).
PREVENTION ENVIRONMENTAL POLLUTION
• Do not burn or cut plants.
• Control the use of fertilizers and pesticides.
• Do not throw garbage in inappropriate places.
• Regular garbage collection service.
• Create awareness.
• Create drainage pathways for industries that do not reach the seas and rivers used for service or consumption of humans and animals.
• Check accidental oilspills.
• Check accidental oilspills.
CAUSES OF POLLUTION
• Domestic solid waste.
• Industrial solid waste.
• Excess fertilizer and chemicals.
• Burn.
• Trash.
• Carbon monoxide from vehicles.
lunes, 25 de febrero de 2013
POLLUTION ENVIRONMENTAL
Presence
in the environment of any agent (physical, chemical or biological) or a
combination of several drugs in places, forms and concentrations that are or
may be harmful to health, safety or welfare of the population, or Well, that
may be harmful to plant or animal life, or prevent the normal use of the
property and places of recreation and enjoyment thereof.
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