Chinese Anger Over Pollution Becomes Main Cause of Social Unrest

Chinese Anger Over Pollution Becomes Main Cause of Social Unrest

Lintao Zhang/Getty Images

A man rides a three-wheeled motorcycle on the street passing power station chimneys during severe pollution in Beijing on Jan. 29, 2013. The burning of coal is the main source of pollution in Beijing, according to estimates by Greenpeace and Peking University’s School of Public Health.