CBS NewsU.S. air pollution is worsening after improving for yearsOct 22, 2019Kate GibsonBy Kate Gibsonbookmark_bordersharemore_vert
NPRLondon Air Quality Increases Due To Ultra Low Emission ZoneOct 22, 2019Paolo ZialcitaBy Paolo Zialcitabookmark_bordersharemore_vert
The Washington PostAir pollution is getting worse, and data show more people are dyingOct 23, 2019Christopher IngrahamBy Christopher Ingrahambookmark_bordersharemore_vert