Edmonton Journal: Just how serious is the air pollution in China, a country that burns roughly as much coal as the rest of the world combined?
Consider this: According to a study published this month in a leading U.S. scientific journal, pollution from coal has reduced the average life expectancy of northern Chinas 500 million citizens by a full five years.
The study, which appeared in the Proceedings of the National Academy of Sciences of the U.S., was based on data compiled between 1980 and 2000.
Since...