Encyclopedia of Earth
Encyclopedia of Earth: Air Quality in Megacities
Article discusses the impact of air pollution on human health, and surrounding environments, in large urban areas around the world. Compares the levels of smog in the cities of Los Angeles and London, discusses air monitoring programs,...
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World Population Highlights 2007: Urbanization
A comprehensive look at world urbanization with interesting facts to support unprecedented urban grown in recent decades. Answers the following questions: "Where will populations Grow?" and "How does urbanization affect the Environment?"