One Earth

Beijing's Pollution is Everyone's Problem

01.14.13 1:30 PM ET

This combination of photos shows (top) the Beijing skyline during severe pollution on January 14, 2013, and the same view (bottom) taken during clear weather on February 4, 2012. Dense smog shrouded the city with pollution at hazardous levels for a fourth day and residents were advised to stay indoors. AFP PHOTO / Ed Jones (Photo credit should read Ed Jones/AFP/Getty Images)

A thick layer of toxic fog blankets Beijing. And what Beijingers breathe today will drift toward Los Angeles in time. This planet only has one atmosphere. China's brutal abuse of that air is not only China's problem.