A New Culprit Is Identified in China’s Choking Smog Researchers say that emissions of formaldehyde from autos and chemical and oil refineries play a larger role in China’s smog than previously known. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Life on Mars: Preparing for the Red Planet‘Ring of Fire’ Solar Eclipse Will Cross South America and Africa on SundayCoal Industry Casts Itself as a Clean Energy PlayerEnd of the world? Stunning ring of fire eclipse means the end is nigh, say conspiracistsFancy a new TV? This new technology could turn your entire WALL into a displayINCREDIBLE PHOTO: Scientists release snap of the 'heart of Mars’