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:Asia and Australia Edition: Russia, North Korea, China: Your Wednesday BriefingBodies Found in Swiss Glacier Could Solve a Mystery From 1942Trump and Putin Held a Second, Undisclosed, Private ConversationA ‘Sanctuary’ of Prayer Rugs That Respond to the Refugee CrisisRepublican Party, Texas, Donald Trump: Your Tuesday Evening BriefingThat Devious Plot to ‘Zombify’ Russia: The Fidget Spinner