Cities
Air pollution is usually concentrated in densely populated metropolitan areas, especially in developing countries where environmental regulations are relatively lax or nonexistent. However, even populated areas in developed countries attain unhealthy levels of pollution with Los Angeles and Rome being two good examples.
Read more about this topic: Air Quality
Famous quotes containing the word cities:
“Whilst we want cities as the centres where the best things are found, cities degrade us by magnifying trifles.”
—Ralph Waldo Emerson (1803–1882)
“To walk through the ruined cities of Germany is to feel an actual doubt about the continuity of civilization.”
—George Orwell (1903–1950)
“Satire is born of the cities it denounces.”
—Mason Cooley (b. 1927)
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