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[LeagueofShadows]

On July 20, half of private cars in Beijing went off the road in a sweeping attempt to improve air quality in advance of the Olympic games. Commercial and governmental vehicles, taxis and buses are all running as usual, but traffic is moving noticeably faster. I've been watching the plates, and drivers really are obeying the regulations. Furthermore, the Chinese have suspended tourism and visas for anyone not attending the Olympics, which is improving traffic even more. There are noticeably fewer tour groups, taxis, rental cars and minibuses. At the same time, a new subway line and the light rail to the airport opened, and more people are taking mass transit.

But guess what? Beijing's air pollution doesn't appear to have changed. In fact, visibility outside my window the last few days has been worse than it was in the week before the car regulations came into place.

German authorities say air pollution levels were higher last year than in preceding years, despite the country's 'environmental zones' that limit which cars may enter cities.
The Federal Environment Agency (UBA) said preliminary results of a report indicated that some forms of pollution were worse in 2011 than in 2007, before environmental zones were introduced.
The zones, which came into force in 2008, require cars to carry a green, yellow or red sticker identifying a vehicle's level of exhaust pollution. Environmental zones prohibit dirtier vehicles, typically older ones, from entering major urban areas.

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