Clearing the Air; Pollution in China  

Oleh:

[s.n]

Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 402 no. 8771 (Feb. 2012), page 76-77.
Topik: International; Air Pollution; Government Agencies; Information Dissemination; Public Opinion

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.70 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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PM2.5 seems an odd and wonkish term for the blogosphere to take up, but that is precisely what has happened in China in recent weeks. It refers to the smallest solid particles in the atmosphere--those less than 2 1/2 microns across. Such dust can get deep into people's lungs; far deeper than that rated as PM10. Yet until recently China's authorities have revealed measurements only for PM10. When people realised this, an online revolt broke out. Such was the public pressure that the government caved in and PM2.5 data are now being published for Beijing and a handful of other cities.

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