News tagged with polluted air

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Air quality worsening in world's cities

Most city dwellers around the world are exposed to air pollution levels that are considered unsafe, and the situation is getting worse, according to a World Health Organization report Wednesday.

dateMay 07, 2014 in Environment
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Coming up for air

Sometimes you've got to hit bottom to battle your way back up. In 1992, the United Nations cited Mexico City as having the worst air quality in the world, with so much pollution that birds sometimes dropped ...

dateOct 29, 2014 in Environment
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