![](http://1.bp.blogspot.com/_nwiRqAtgHGo/R5yDP4ALQrI/AAAAAAAAAA8/7v8g0CzH-fg/s320/emission.jpg)
The number of vehicles has been increasing since 1990s, and now,air pollution has become the most difficult challenge in China......
Should the Chinese government set a limit or call for a ban on private cars in order to reduce the air pollution?
The path to the Heart
1 comment:
Interesting!
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