What are the external causes of air pollution?
March 5th, 2010 | 
Author: I would like to know what the various causes of air pollution are, especially in relations to the hotel industry.
I would like to know what the various causes of air pollution are, especially in relations to the hotel industry.
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Tags:
burning fossils, rice paddy field and cows- methane, cars etc
A big contributor would be volcanic eruptions and naturally occurring forest fires.