Air Pollution
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
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Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...holes" in the ozone layer in the atmosphere above...growing evidence of global ozone depletion. This can...accelerate the phasing out of ozone-depleting substances...monoxide, nitrogen oxide, ozone, particulate matter...reductions, and the international sale of surplus emission...