|2012 Jan. 28: China: (particulates) Popular Criticism Cracks China’s Wall of Denial About Pollution
New York Times
BEIJING — Weary of waiting for the authorities to alert residents to the city’s … pollution — particulates 2.5 micrometers in diameter or less, or PM 2.5.
|Internet criticism pushes China to act on pollution
… for the authorities to alert residents to the city’s most pernicious air pollutant … The fine particulates, caused by dust or emissions from vehicles, …