From National Geographic News:
According to Vital Signs 2005“a new report by the Worldwatch Institute, a Washington, D.C.-based environmental nonprofit”China is now driving the consumption and production of almost everything, threatening to deplete the world’s resources…
China is in the middle of the largest rural migration in human history, with millions of its people leaving for mushrooming cities. With factories multiplying and car ownership surging, the cities’ air quality has plummeted.
Sixteen of the 20 most polluted cities in the world are in China. The country is the second largest emitter of carbon dioxide after the United States.