 | Smog envelops the horizon as vehicles crawl in traffic along a major road in Beijing November 4, 2004. China's capital, host of the 2008 Olympics, is in 'a state of emergency' because of air pollution and one of the biggest polluters in the city will slash production till the end of the year, state media said on Thursday. Improving air quality is key to the city's drive to be ready to host the 2008 summer Games, and visiting International Olympic Committee officials have seen the air quality at its worst over recent days. click to open  |