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:Mental Health Treatment Denied to Customers by Giant Insurer’s Policies, Judge RulesNASA shock: Huge cosmic SUPERBUBBLES in faraway martian galaxy ‘BOMBARDING’ EarthNASA asteroid tracker: Asteroid bigger than bus will skim Earth TOMORROW at 28,000MPHHow to Quit Antidepressants: Very Slowly, Doctors SayOne More Time, With Big Data: Measles Vaccine Doesn’t Cause AutismAnswers to 4 Key Questions About an H.I.V. Cure