A world map shows high (dark blue) urban population in America, Australia, parts of the Middle East, Southeast Asia; moderate (blue) in parts of Africa, Asia, and Eastern Europe; low (light blue) in Central/South Asia, and Sub-Saharan Africa.
Class | Rank | Percent | Class | Rank | Percent | Class | Rank | Percent | Class | Rank | International dollars | Acid Rain | Polluted air emissions leading to acid rain | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31.3% | 37.1% |
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