“WE SHOULD GET out of here,” says air pollution chemist Eben Cross. At 7 a.m. on this cold November day the wind blows steadily through the Massachusetts Institute of Technology’s Cambridge campus, cutting through our thin jackets. But Cross isn’t afraid of the cold. He worries about the air we’re breathing—especially considering the six fire trucks directly ahead, idling in the dim morning light.
USC Leonard Davis School Researchers Featured in Mother Jones
