As diplomatic issues go, the small metal instruments on the roof of the US embassy in Beijing would not appear to present an international relations dilemma.
Yet the air monitoring station at the US embassy – which broadcasts hourly pollution readings to more than half a million Chinese followers on microblog Sina Weibo – has not sat well with China’s leaders.
Yesterday, a senior Chinese official called for the US to stop publishing its embassy’s pollution readings and said that doing so was a violation of the Vienna conventions that govern diplomatic conduct.
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