Contamination is the transmission and dissemination of smoke or toxic gases such means as air and water, as well as the presence of dust and germs from microbial debris of human activity.
The development and technological progress has led today various forms of pollution, which alter the physical and mental balance of man. Because of this, the current pollution problem becomes more critical than in the past.
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This video lets us understand that air pollution is caused due to the leakage of gas combustion engines, to household appliances for heating, industry that is released into the atmosphere, either as gases, vapors or solid particles able to remain in suspension, with above normal values, harm life and health, both human and animals and plants.
Matt Hammill.(Aug 3, 2009)Hazed.[video file].
retrived from -http://www.youtube.com/watchv=z9zxE0B52E0
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