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:
“I keep having the same experience and keep resisting it every time. I do not want to believe it although it is palpable: the great majority of people lacks an intellectual conscience. Indeed, it has often seemed to me as if anyone calling for an intellectual conscience were as lonely in the most densely populated cities as if he were in a desert.”
—Friedrich Nietzsche (1844–1900)
“Beyond the horizon, or even the knowledge, of the cities along the coast, a great, creative impulse is at work—the only thing, after all, that gives this continent meaning and a guarantee of the future. Every Australian ought to climb up here, once in a way, and glimpse the various, manifold life of which he is a part.”
—Vance Palmer (1885–1959)
“We are in danger ... of making our cities places where business goes on but where life, in its real sense, is lost.”
—Hubert H. Humphrey (1911–1978)