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:
“What care though rival cities soar
Along the stormy coast,
Penns town, New York, Baltimore,
If Boston knew the most!”
—Ralph Waldo Emerson (18031882)
“In bombers named for girls, we burned
The cities we had learned about in school
Till our lives wore out; our bodies lay among
The people we had killed and never seen.”
—Randall Jarrell (19141965)
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